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.

目的采胺柱色谱分离黄酮醇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,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、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，并被开发成为农化学品和医化学品。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，利十种酚类化合物为标准品，测定不同生长期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，使高氯化磷腈直接酚类化合物进行取代反应，合成标题高物。

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、调体内胆固醇水平、防止动脉粥样化和除虫等方面的作，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.

同时利所合成的化合物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下,邻硝基苯胺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胺类化合物，并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。

Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.

固相反应成新型丙二腈物。

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)是研二英物生物降解的模式物之一。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述乙烯基醚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、寻找新的鬼臼毒素物资源替代品,已成为当前进一步研的主要方向。

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及生产进展,包括二苯甲酮、氯代甲酯、异氰酸酯、酰氯、碳酸酯物。

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，并被成为农用学品和医用学品。本文对这物的研动态进行概述。

The standards of polyphenols were used to identify the phenolic compounds in napiergrass and their changes due to growth period and season.

另外，利用十种酚物为标准品，测定不同生长期与季节之狼尾草中的酚物之变。

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物进行取代反应，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.

芳基甲烷在有机溶剂介质中、碱催下的氧缩反应,是成二苯乙烯(烷)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.

同时利用所成的物3，14，16为模板，对它们的3位羧基进行酯反应成4个喹诺酮酯物：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，成链状冠醚二芳醛缩氨硫脲物。

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,提供一个方便地成取代喹喔啉物的方法。

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.

首次成叠氮亚磷酸酯及叠氮磷酰胺物，并用IR、1HNMR、FAB-MS及元素分析对物结构进行鉴定。

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。

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(DF)究二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，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究开发动态进述。

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,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.

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.

苯并吡类化合物及其衍生物一大类天然产物,很多都都具有生物活性,苯并吡天然产物1#在1986年被分离得到。

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.

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)是研究二英类化合物生物降解模式化合物一。

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开发及生产进展,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，并被开发成为农用化学品和医用化学品。本文对这类化合物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，测定不同生长期与季节草中酚类化合物变化。

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。

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.

目的采用聚酰胺柱色谱分离黄二氢黄类化合物。

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,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的开发及生产进展,包括二苯甲类、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，并被开发成为农用化学和医用化学。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，测定不同生长期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酚类化合物进行取代反应，合成题高聚物。

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.

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。

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类合物。

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类合物。

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.

论述乙烯基醚类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、寻找新的鬼臼毒素类合物资源替代品,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,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类合物。

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。本文对这类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，利用十种酚类合物为标准品，测定不同生长期与季节之狼尾草中的酚类合物之变。

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，使高聚氯直接与酚类合物进行取代反应，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类合物。

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)类合物的重要途径.

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个喹诺酮酯类合物：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类合物。

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类合物的方法。

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.

首次合成叠氮亚酸酯及叠氮酰胺类合物，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.

苯并吡喃类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。

Three novel malononitrile derivatives have been synthesized by the solid state reaction at room temperature.

固相反新型丙二腈类物。

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类物。

Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.

二苯并呋喃(DF)是研究二英类物生物降解的模式物之一。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述乙烯基醚类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、寻找新的鬼臼毒素类物资源替代品,已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,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类物。

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，并被开发为农用学品和医用学品。本文对这类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，利用十种酚类物为标准品，测定不同生长期与季节之狼尾草中的酚类物之变。

In order to get polyaryloxyphosphazene, polyphosphazene's side chlorines are directly substituted by aryloxy of phenol using triethylamine as the bind acid agent.

以三乙胺为缚酸剂，使高聚氯磷腈直接与酚类物进行取代反，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、氨基硫脲来制备相的脲和氨基脲类物。

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.

芳基甲烷在有机溶剂介质中、碱催下的氧缩反,是二苯乙烯(烷)类物的重要途径.

Finally, we gained four esterifiable quinolone analogues (compounds 22 to 25) by modifying the structures of compound 3, 14 and 16 on 3 position.

同时利用所的物3，14，16为模板，对它们的3位羧基进行酯反4个喹诺酮酯类物：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，链状冠醚二芳醛缩氨硫脲类物。

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环反,提供一个方便地取代喹喔啉类物的方法。

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.

首次叠氮亚磷酸酯及叠氮磷酰胺类物，并用IR、1HNMR、FAB-MS及元素分析对物结构进行鉴定。

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.

苯并吡喃类物及其衍生物是一大类天产物,很多都都具有生物活性,苯并吡喃天产物1#在1986年被分离得到。

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.

目的采用聚酰胺柱色谱分离与二氢类化合物。

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,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的开发及生产进展,包括二苯甲类、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，并被开发成为农用化学和医用化学。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，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.

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。

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。

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类化合。

Dibenzofuran(DF) is one of the model compounds for the study of biodegradation of dioxin-like pollutants.

二苯并呋喃(DF)是研究二英类化合生降解的模式化合之一。

This paper discussed three methods of producting vinyl etherspreparation from acetylene,dehydrohalogenation and acetals.

论述乙烯基醚类化合的三种主要制备方法乙法、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,包括二苯甲酮类、氯代甲酯类、异氰酸酯类、酰氯类、碳酸酯类化合。

In this gaper, the developments md study on biologically activeisoxazole derivatives and their applications in pesticide and medicine were reviewed.

许多异恶唑衍生良好的生活性，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，利用十种酚类化合为标准品，测定不同生长期与季节之狼尾草中的酚类化合之变化。

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进行取代反应，合成标题高聚。

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。

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的瑞香烷型二萜类化合有不同之处。

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：化合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。

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，并用IR、1HNMR、FAB-MS及元素分析对化合结构进行鉴定。

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。