Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成新型丙二腈
合物。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成新型丙二腈
合物。
Objective To separate flavonol and flavanonol by the column chromatography of polyamide.
目的采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇合物。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
二苯并呋喃(DF)是研究二英合物生物降解的模式
合物之一。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚
合物的三种主要制备方法乙炔法、脱卤
氢法和缩醛热分解法。
Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...
优结构、寻找新的鬼臼毒
合物资源替代品,已成为当前进一步研究的主要方向。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细
学品的开发及生产进展,包括二苯
酮
、氯代
、异氰酸
、酰氯
、碳酸
合物。
In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.
许多异恶唑衍生物显示良好的生物活性,并被开发成为农用学品和医用
学品。本文对这
合物的研究开发动态进行
概述。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
另外,利用十种酚合物为标准品,测定不同生长期与季节之狼尾草中的酚
合物之变
。
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
然后以三乙胺为缚酸剂,使高聚氯磷腈直接与酚
合物进行取代反应,合成
标题高聚物。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍以30%浓度的双氧水作为氧
剂氧
硫脲、氨基硫脲来制备相应的脲和氨基脲
合物。
The structure of neostellerin, which was elucidated by NMR, especially 2D NMR analysis, was different from other daphnane type diterpenes isolated from this plant.
其中新狼毒与其它从该种植物中所分离得到的瑞香烷型二萜
合物有不同之处。
More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.
柠檬苦合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样
和除虫等方面的作用,越来越受到人们的重视。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基烷在有机溶剂介质中、碱催
下的氧
缩合反应,是合成二苯乙烯(烷)
合物的重要途径.
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时利用所合成的合物3,14,16为模板,对它们的3位羧基进行
反应合成
4个喹诺酮
合物:
合物22—25。
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应,合成链状冠醚二芳醛缩氨硫脲
合物。
Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
本文研究三氯
钛水溶液作用下,邻硝基苯胺与1,2-二酮在碱性介质中分子间的成环反应,提供
一个方便地合成取代喹喔啉
合物的方法。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成叠氮亚磷酸
及叠氮磷酰胺
合物,并用IR、1HNMR、FAB-MS及元
分析对
合物结构进行
鉴定。
Chromene and its derivatives are a large class of natural product.A lot of Chromene and its derivatives have biological activity.A natural chromene was separated in 1986.
苯并吡喃合物及其衍生物是一大
天然产物,很多都都具有生物活性,苯并吡喃天然产物1#在1986年被分离得到。
声明:以上例句、词性分均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成新型丙二腈
化合物。
Objective To separate flavonol and flavanonol by the column chromatography of polyamide.
目的采用聚胺柱色谱分离黄酮醇与二氢黄酮醇
化合物。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
二苯并呋喃(DF)是研究二英化合物生物降解的模式化合物之一。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚
化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。
Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...
优化结、
新的鬼臼毒素
化合物资源替代品,已成为当前进一步研究的主要方向。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细化学品的开发及生产进展,包括二苯甲酮
、
代甲酯
、异氰酸酯
、
、碳酸酯
化合物。
In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.
许多异恶唑衍生物显示良好的生物活性,并被开发成为农用化学品和医用化学品。本文对这化合物的研究开发动态进行
概述。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
另外,利用十种酚化合物为标准品,测定不同生长期与季节之狼尾草中的酚
化合物之变化。
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
然后以三乙胺为缚酸剂,使高聚化磷腈直接与酚
化合物进行取代反应,合成
标题高聚物。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍以30%浓度的双氧水作为氧化剂氧化硫脲、氨基硫脲来制备相应的脲和氨基脲
化合物。
The structure of neostellerin, which was elucidated by NMR, especially 2D NMR analysis, was different from other daphnane type diterpenes isolated from this plant.
其中新狼毒素与其它从该种植物中所分离得到的瑞香烷型二萜化合物有不同之处。
More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.
柠檬苦素化合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面的作用,越来越受到人们的重视。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基甲烷在有机溶剂介质中、碱催化下的氧化缩合反应,是合成二苯乙烯(烷)化合物的重要途径.
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时利用所合成的化合物3,14,16为模板,对它们的3位羧基进行酯化反应合成
4个喹诺酮酯
化合物:化合物22—25。
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应,合成链状冠醚二芳醛缩氨硫脲
化合物。
Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
本文研究三
化钛水溶液作用下,邻硝基苯胺与1,2-二酮在碱性介质中分子间的成环反应,提供
一个方便地合成取代喹喔啉
化合物的方法。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成叠氮亚磷酸酯及叠氮磷
胺
化合物,并用IR、1HNMR、FAB-MS及元素分析对化合物结
进行
鉴定。
Chromene and its derivatives are a large class of natural product.A lot of Chromene and its derivatives have biological activity.A natural chromene was separated in 1986.
苯并吡喃化合物及其衍生物是一大
天然产物,很多都都具有生物活性,苯并吡喃天然产物1#在1986年被分离得到。
声明:以上例句、词性分均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成新型丙二腈
合物。
Objective To separate flavonol and flavanonol by the column chromatography of polyamide.
目的采用聚酰胺柱色谱分离黄与二氢黄
合物。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
二苯并呋喃(DF)是研究二英合物生物降解的模式
合物之一。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚
合物的三种主要制备方法乙炔法、脱卤
氢法和缩醛热分解法。
Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...
优结构、寻找新的鬼臼毒素
合物资源替代品,已成为当前进一步研究的主要方向。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细
学品的开发及生产进展,包括二苯甲
、氯代甲酯
、异氰酸酯
、酰氯
、碳酸酯
合物。
In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.
许多异恶唑衍生物显示良好的生物活性,并被开发成为农用学品和医用
学品。本文对这
合物的研究开发动态进行
概述。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
另外,利用十种合物为标准品,测定不同生长期与季节之狼尾草中的
合物之变
。
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
然后以三乙胺为缚酸剂,使高聚氯磷腈直接与
合物进行取代反应,合成
标题高聚物。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍以30%浓度的双氧水作为氧
剂氧
硫脲、氨基硫脲来制备相应的脲和氨基脲
合物。
The structure of neostellerin, which was elucidated by NMR, especially 2D NMR analysis, was different from other daphnane type diterpenes isolated from this plant.
其中新狼毒素与其它从该种植物中所分离得到的瑞香烷型二萜合物有不同之处。
More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.
柠檬苦素合物在抗癌、镇痛、调节体内胆固
水平、防止动脉粥样
和除虫等方面的作用,越来越受到人们的重视。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基甲烷在有机溶剂介质中、碱催下的氧
缩合反应,是合成二苯乙烯(烷)
合物的重要途径.
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时利用所合成的合物3,14,16为模板,对它们的3位羧基进行
酯
反应合成
4个喹诺
酯
合物:
合物22—25。
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应,合成链状冠醚二芳醛缩氨硫脲
合物。
Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
本文研究三氯
钛水溶液作用下,邻硝基苯胺与1,2-二
在碱性介质中分子间的成环反应,提供
一个方便地合成取代喹喔啉
合物的方法。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成叠氮亚磷酸酯及叠氮磷酰胺
合物,并用IR、1HNMR、FAB-MS及元素分析对
合物结构进行
鉴定。
Chromene and its derivatives are a large class of natural product.A lot of Chromene and its derivatives have biological activity.A natural chromene was separated in 1986.
苯并吡喃合物及其衍生物是一大
天然产物,很多都都具有生物活性,苯并吡喃天然产物1#在1986年被分离得到。
声明:以上例句、词性分均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应新型丙二腈类化
。
Objective To separate flavonol and flavanonol by the column chromatography of polyamide.
目采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇类化
。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
二苯并呋喃(DF)是研究二英类化生
降解
模式化
之一。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚类化
三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。
Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...
优化结构、寻找新鬼臼毒素类化
资源替代品,已
为当前进一步研究
主要方向。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细化学品
及生产进展,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化
。
In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.
许多异恶唑衍生显示良好
生
活性,并被
为农用化学品和医用化学品。本文对这类化
研究
动态进行
概述。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
另外,利用十种酚类化为标准品,测定不同生长期与季节之狼尾草中
酚类化
之变化。
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
然后以三乙胺为缚酸剂,使高聚氯化磷腈直接与酚类化进行取代反应,
标题高聚
。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍以30%浓度
双氧水作为氧化剂氧化硫脲、氨基硫脲来制备相应
脲和氨基脲类化
。
The structure of neostellerin, which was elucidated by NMR, especially 2D NMR analysis, was different from other daphnane type diterpenes isolated from this plant.
其中新狼毒素与其它从该种植中所分离得到
瑞香烷型二萜类化
有不同之处。
More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.
柠檬苦素类化在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面
作用,越来越受到人们
重视。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基甲烷在有机溶剂介质中、碱催化下氧化缩
反应,是
二苯乙烯(烷)类化
重要途径.
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时利用所化
3,14,16为模板,对它们
3位羧基进行
酯化反应
4个喹诺酮酯类化
:化
22—25。
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应,链状冠醚二芳醛缩氨硫脲类化
。
Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
本文研究三氯化钛水溶液作用下,邻硝基苯胺与1,2-二酮在碱性介质中分子间
环反应,提供
一个方便地
取代喹喔啉类化
方法。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次叠氮亚磷酸酯及叠氮磷酰胺类化
,并用IR、1HNMR、FAB-MS及元素分析对化
结构进行
鉴定。
Chromene and its derivatives are a large class of natural product.A lot of Chromene and its derivatives have biological activity.A natural chromene was separated in 1986.
苯并吡喃类化及其衍生
是一大类天然产
,很多都都具有生
活性,苯并吡喃天然产
1#在1986年被分离得到。
声明:以上例句、词性分类均由互联网资源自动生,部分未经过人工审核,其表达内容亦不代表本软件
观点;若
现问题,欢迎向我们指正。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成新型丙二腈类化合物。
Objective To separate flavonol and flavanonol by the column chromatography of polyamide.
目采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇类化合物。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
二苯并呋喃(DF)是二英类化合物生物降解
模式化合物之一。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚类化合物
三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。
Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...
优化结构、寻找新鬼臼毒素类化合物资源替代品,已成为当前进一
主要方向。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细化学品
及生产进展,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合物。
In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.
许多异恶唑衍生物显示良好生物活性,并被
成为农用化学品和医用化学品。本文对这类化合物
动态进行
概述。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
另外,利用十种酚类化合物为标准品,测定不同生长期与季节之狼尾草中酚类化合物之变化。
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
然后以三乙胺为缚酸剂,使高聚氯化磷腈直接与酚类化合物进行取代反应,合成标题高聚物。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍以30%浓度
双氧水作为氧化剂氧化硫脲、氨基硫脲来制备相应
脲和氨基脲类化合物。
The structure of neostellerin, which was elucidated by NMR, especially 2D NMR analysis, was different from other daphnane type diterpenes isolated from this plant.
其中新狼毒素与其它从该种植物中所分离得到瑞香烷型二萜类化合物有不同之处。
More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.
柠檬苦素类化合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面作用,越来越受到人们
重视。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基甲烷在有机溶剂介质中、碱催化下氧化缩合反应,是合成二苯乙烯(烷)类化合物
重要途径.
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时利用所合成化合物3,14,16为模板,对它们
3位羧基进行
酯化反应合成
4个喹诺酮酯类化合物:化合物22—25。
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应,合成链状冠醚二芳醛缩氨硫脲类化合物。
Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
本文三氯化钛水溶液作用下,邻硝基苯胺与1,2-二酮在碱性介质中分子间
成环反应,提供
一个方便地合成取代喹喔啉类化合物
方法。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成叠氮亚磷酸酯及叠氮磷酰胺类化合物,并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行
鉴定。
Chromene and its derivatives are a large class of natural product.A lot of Chromene and its derivatives have biological activity.A natural chromene was separated in 1986.
苯并吡喃类化合物及其衍生物是一大类天然产物,很多都都具有生物活性,苯并吡喃天然产物1#在1986年被分离得到。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件观点;若
现问题,欢迎向我们指正。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成新型丙二腈类化合物。
Objective To separate flavonol and flavanonol by the column chromatography of polyamide.
目的采用聚酰胺分离黄酮醇与二氢黄酮醇类化合物。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
二苯并呋喃(DF)是研究二英类化合物物降解的模式化合物之一。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。
Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...
优化结构、寻找新的鬼臼毒素类化合物资源替代品,已成为当前进一步研究的主要方向。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细化学品的开发及
产进展,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合物。
In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.
许多异恶唑衍物显示良好的
物活性,并被开发成为农用化学品和医用化学品。本文对这类化合物的研究开发动态进行
概述。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
另外,利用十种酚类化合物为标准品,测定不期与季节之狼尾草中的酚类化合物之变化。
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
然后以三乙胺为缚酸剂,使高聚氯化磷腈直接与酚类化合物进行取代反应,合成标题高聚物。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍以30%浓度的双氧水作为氧化剂氧化硫脲、氨基硫脲来制备相应的脲和氨基脲类化合物。
The structure of neostellerin, which was elucidated by NMR, especially 2D NMR analysis, was different from other daphnane type diterpenes isolated from this plant.
其中新狼毒素与其它从该种植物中所分离得到的瑞香烷型二萜类化合物有不之处。
More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.
柠檬苦素类化合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面的作用,越来越受到人们的重视。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基甲烷在有机溶剂介质中、碱催化下的氧化缩合反应,是合成二苯乙烯(烷)类化合物的重要途径.
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
时利用所合成的化合物3,14,16为模板,对它们的3位羧基进行
酯化反应合成
4个喹诺酮酯类化合物:化合物22—25。
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应,合成链状冠醚二芳醛缩氨硫脲类化合物。
Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
本文研究三氯化钛水溶液作用下,邻硝基苯胺与1,2-二酮在碱性介质中分子间的成环反应,提供
一个方便地合成取代喹喔啉类化合物的方法。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成叠氮亚磷酸酯及叠氮磷酰胺类化合物,并用IR、1HNMR、FAB-MS及元素分析对化合物结构进行
鉴定。
Chromene and its derivatives are a large class of natural product.A lot of Chromene and its derivatives have biological activity.A natural chromene was separated in 1986.
苯并吡喃类化合物及其衍物是一大类天然产物,很多都都具有
物活性,苯并吡喃天然产物1#在1986年被分离得到。
声明:以上例句、词性分类均由互联网资源自动成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成新型丙
腈类化合物。
Objective To separate flavonol and flavanonol by the column chromatography of polyamide.
目的采用聚酰胺柱色谱分离黄酮醇与氢黄酮醇类化合物。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
呋喃(DF)是研究
英类化合物生物降解的模式化合物之一。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。
Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...
优化结构、寻找新的鬼臼毒素类化合物资源替代品,已成为当前进一步研究的主要方向。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细化学品的开发及生产进展,包括
甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合物。
In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.
许多异恶唑衍生物显示良好的生物活性,被开发成为农用化学品和医用化学品。本文对这类化合物的研究开发动态进行
概述。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
,
用十种酚类化合物为标准品,测定不同生长期与季节之狼尾草中的酚类化合物之变化。
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
然后以三乙胺为缚酸剂,使高聚氯化磷腈直接与酚类化合物进行取代反应,合成标题高聚物。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍以30%浓度的双氧水作为氧化剂氧化硫脲、氨基硫脲来制备相应的脲和氨基脲类化合物。
The structure of neostellerin, which was elucidated by NMR, especially 2D NMR analysis, was different from other daphnane type diterpenes isolated from this plant.
其中新狼毒素与其它从该种植物中所分离得到的瑞香烷型萜类化合物有不同之处。
More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.
柠檬苦素类化合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面的作用,越来越受到人们的重视。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基甲烷在有机溶剂介质中、碱催化下的氧化缩合反应,是合成乙烯(烷)类化合物的重要途径.
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时用所合成的化合物3,14,16为模板,对它们的3位羧基进行
酯化反应合成
4个喹诺酮酯类化合物:化合物22—25。
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚芳醛在酸性条件下与氨基硫脲反应,合成
链状冠醚
芳醛缩氨硫脲类化合物。
Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
本文研究三氯化钛水溶液作用下,邻硝基
胺与1,2-
酮在碱性介质中分子间的成环反应,提供
一个方便地合成取代喹喔啉类化合物的方法。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成叠氮亚磷酸酯及叠氮磷酰胺类化合物,
用IR、1HNMR、FAB-MS及元素分析对化合物结构进行
鉴定。
Chromene and its derivatives are a large class of natural product.A lot of Chromene and its derivatives have biological activity.A natural chromene was separated in 1986.
吡喃类化合物及其衍生物是一大类天然产物,很多都都具有生物活性,
吡喃天然产物1#在1986年被分离得到。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成新型丙二腈
化合物。
Objective To separate flavonol and flavanonol by the column chromatography of polyamide.
目的采用聚酰胺柱色谱分离黄酮醇与二氢黄酮醇化合物。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
二苯并呋喃(DF)是研究二英化合物生物降解的模式化合物之一。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚
化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。
Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...
优化结构、寻找新的鬼臼化合物资源替代品,已成为当前进一步研究的主要方向。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细化学品的开发及生产进展,包括二苯甲酮
、氯代甲
、
氰酸
、酰氯
、碳酸
化合物。
In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.
许多恶唑衍生物显示良好的生物活性,并被开发成为农用化学品和医用化学品。本文对这
化合物的研究开发动态进行
概述。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
另外,利用十种酚化合物为标准品,测定不同生长期与季节之狼尾草中的酚
化合物之变化。
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
然后以三乙胺为缚酸剂,使高聚氯化磷腈直接与酚化合物进行取代反应,合成
标题高聚物。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍以30%浓度的双氧水作为氧化剂氧化硫脲、氨基硫脲来制备相应的脲和氨基脲
化合物。
The structure of neostellerin, which was elucidated by NMR, especially 2D NMR analysis, was different from other daphnane type diterpenes isolated from this plant.
其中新狼与其它从该种植物中所分离得到的瑞香烷型二萜
化合物有不同之处。
More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.
柠檬苦化合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面的作用,越来越受到人们的重视。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基甲烷在有机溶剂介质中、碱催化下的氧化缩合反应,是合成二苯乙烯(烷)化合物的重要途径.
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时利用所合成的化合物3,14,16为模板,对它们的3位羧基进行化反应合成
4个喹诺酮
化合物:化合物22—25。
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚二芳醛在酸性条件下与氨基硫脲反应,合成链状冠醚二芳醛缩氨硫脲
化合物。
Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
本文研究三氯化钛水溶液作用下,邻硝基苯胺与1,2-二酮在碱性介质中分子间的成环反应,提供
一个方便地合成取代喹喔啉
化合物的方法。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成叠氮亚磷酸
及叠氮磷酰胺
化合物,并用IR、1HNMR、FAB-MS及元
分析对化合物结构进行
鉴定。
Chromene and its derivatives are a large class of natural product.A lot of Chromene and its derivatives have biological activity.A natural chromene was separated in 1986.
苯并吡喃化合物及其衍生物是一大
天然产物,很多都都具有生物活性,苯并吡喃天然产物1#在1986年被分离得到。
声明:以上例句、词性分均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。
Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.
固相反应合成新型丙
腈类化合物。
Objective To separate flavonol and flavanonol by the column chromatography of polyamide.
目的采用聚酰胺柱色谱分离黄酮醇与氢黄酮醇类化合物。
Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.
呋喃(DF)是研究
英类化合物生物降解的模式化合物之一。
This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.
论述乙烯基醚类化合物的三种主要制备方法乙炔法、脱卤化氢法和缩醛热分解法。
Continued research on the Podophyllum lignans is currently focused on structure optimization to generate deriv...
优化结构、寻找新的鬼臼毒素类化合物资源替代品,已成为当前进一步研究的主要方向。
This paper reviews the research and development of phosgene Derivates,including diphenyl ketone,chlorocarbonate,isocya-nate,acyl chloride and carbonates.
本文综述光气下游精细化学品的开发及生产进展,包括
甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合物。
In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.
许多异恶唑衍生物显示良好的生物活性,被开发成为农用化学品和医用化学品。本文对这类化合物的研究开发动态进行
概述。
The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.
,
用十种酚类化合物为标准品,测定不同生长期与季节之狼尾草中的酚类化合物之变化。
In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.
然后以三乙胺为缚酸剂,使高聚氯化磷腈直接与酚类化合物进行取代反应,合成标题高聚物。
This thesis mainly introduced that ureas and semicarbazides were synthesized by oxidation of corresponding thioureas and thiosemicarbazides using 30% peroxide as oxidant.
本文主要介绍以30%浓度的双氧水作为氧化剂氧化硫脲、氨基硫脲来制备相应的脲和氨基脲类化合物。
The structure of neostellerin, which was elucidated by NMR, especially 2D NMR analysis, was different from other daphnane type diterpenes isolated from this plant.
其中新狼毒素与其它从该种植物中所分离得到的瑞香烷型萜类化合物有不同之处。
More and more attention is being paid to their functions in anti-cancer, analgesia, regulating cholesterol level in the human body,preventing atheroma,deinsectization and other aspects.
柠檬苦素类化合物在抗癌、镇痛、调节体内胆固醇水平、防止动脉粥样化和除虫等方面的作用,越来越受到人们的重视。
The oxidative dimerization of aryl methanes in organic solvents by using alkaline catalysts is an important way to prepare diphenyl ethanes and diphenyl ethylenes.
芳基甲烷在有机溶剂介质中、碱催化下的氧化缩合反应,是合成乙烯(烷)类化合物的重要途径.
Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.
同时用所合成的化合物3,14,16为模板,对它们的3位羧基进行
酯化反应合成
4个喹诺酮酯类化合物:化合物22—25。
Under acid condition open chaining crown ether diaromatic aldehyde can react, and they will synthesize a compound of chaining crown ether diaromatic aldehyde thiosemi-carbazone kind.
摘要链状冠醚芳醛在酸性条件下与氨基硫脲反应,合成
链状冠醚
芳醛缩氨硫脲类化合物。
Aqueous titanium trichloride promoted intermolecular reductive cyclization of 1,2 -diketone and o-nitroaniline in basic media provides a convenient method for the synthesis of quinoxaline derivatives.
本文研究三氯化钛水溶液作用下,邻硝基
胺与1,2-
酮在碱性介质中分子间的成环反应,提供
一个方便地合成取代喹喔啉类化合物的方法。
Four compounds of phosphite ester and phosphoramide containing azido groups were synthesized. The molecular structure of the products has been confirmed by IR,1HNMR,FAB-MS and elemental analysis.
首次合成叠氮亚磷酸酯及叠氮磷酰胺类化合物,
用IR、1HNMR、FAB-MS及元素分析对化合物结构进行
鉴定。
Chromene and its derivatives are a large class of natural product.A lot of Chromene and its derivatives have biological activity.A natural chromene was separated in 1986.
吡喃类化合物及其衍生物是一大类天然产物,很多都都具有生物活性,
吡喃天然产物1#在1986年被分离得到。
声明:以上例句、词性分类均由互联网资源自动生成,部分未经过人工审核,其表达内容亦不代表本软件的观点;若发现问题,欢迎向我们指正。