Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油二酯和糖结未酯化的羟基形成的。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了以对羟基苯乙酸为原料,经过苄基化、酯化、还原、甙化等步骤成红景天甙的一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基用缩酮保护,再用正己重结晶分离纯化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,选用乙酰作酰化剂、二作酰化溶剂,测定含环氧基聚酯的羟值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含羟基化物的丙交酯/醇铁聚体系中,羟基化物作为共引发剂参与了丙交酯的开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以基丙烯酰、基丙烯酸酐和基丙烯酸作酰化剂，研究了胆酸酯分子中羟基的应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁共振谱法测定了国产紫胶桐酸的优势构象,结果表明,其分子中连二羟基处于交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类化物分子共面性较强,为较大的共轭体系,取代羟基的接入,对橙酮类化物共面性影响不大。

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油二酯和糖结未酯化的羟基形成的。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了以对羟基苯乙酸为原料,经过苄基化、酯化、还原、甙化等步骤成红景天甙的一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基用缩酮保护,再用正己烷重结纯化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理析,选用乙酰氯作酰化剂、二氯甲烷作酰化溶剂,测定含环氧基聚酯的羟值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含羟基化物的丙交酯/醇铁聚系中,羟基化物作为共引发剂参与了丙交酯的开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化剂，研究了胆酸甲酯子中羟基的反应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁共振谱法测定了国产紫胶桐酸的优势构象,结果表明,其子中连二羟基处于反交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类化物子共面性较强,为较大的共轭系,取代羟基的接入,对橙酮类化物共面性影响不大。

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物甘油二酯和糖结未酯化羟基形。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

道了以对羟基苯乙酸为原料,经过苄基化、酯化、还原、甙化等步骤红景天甙一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基用缩酮保护,再用正己烷重结晶分离纯化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,选用乙酰氯作酰化剂、二氯甲烷作酰化溶剂,测定含环氧基聚酯羟值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含羟基化物丙交酯/醇铁聚体系中,羟基化物作为共引发剂参与了丙交酯开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化剂，研究了胆酸甲酯分子中羟基反应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁共振谱法测定了国产紫胶桐酸优势构象,结果表明,其分子中连二羟基处于反交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类化物分子共面性较强,为较大共轭体系,取代羟基接入,对橙酮类化物共面性影响不大。

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油酯和糖结未酯化的羟基形成的。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了以对羟基苯乙酸为原料,经过苄基化、酯化、还原、甙化等步骤成红景天甙的一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基用缩酮保护,再用正己烷重结晶分离纯化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,选用乙酰作酰化、甲烷作酰化溶,测定含环氧基聚酯的羟值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含羟基化物的丙交酯/醇铁聚体系中,羟基化物作为共引发参与了丙交酯的开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基丙烯酰、甲基丙烯酸酐和甲基丙烯酸作酰化，研究了胆酸甲酯分子中羟基的反应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁共振谱法测定了国产紫胶桐酸的优势构象,结果表明,其分子中连羟基处于反交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类化物分子共面性较强,为较大的共轭体系,取代羟基的接入,对橙酮类化物共面性影响不大。

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油二酯和糖结未酯化羟基形成。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了以对羟基苯乙酸为原料,经过苄基化、酯化、还原、甙化等步骤成红景天甙一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基保护,再正己烷重结晶分离纯化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,选乙酰氯作酰化剂、二氯甲烷作酰化溶剂,测定含环氧基聚酯羟值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含羟基化物丙交酯/醇铁聚体系中,羟基化物作为共引发剂参与了丙交酯开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化剂，研究了胆酸甲酯分子中羟基反应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采核磁共振谱法测定了国产紫胶桐酸优势构象,结果表明,其分子中连二羟基处于反交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙类化物分子共面性较强,为较大共轭体系,取代羟基接入,对橙类化物共面性影响大。

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油酯和糖结未酯化的羟基形成的。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了以对羟基苯乙酸为原料,经过苄基化、酯化、还原、甙化等步骤成红景天甙的一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基用缩酮保护,再用正己烷重结晶分离纯化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,选用乙酰作酰化剂、烷作酰化溶剂,测定含环氧基聚酯的羟值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含羟基化物的丙交酯/醇铁聚体系中,羟基化物作为共引发剂参与了丙交酯的开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以基丙烯酰、基丙烯酸酐和基丙烯酸作酰化剂，研究了胆酸酯分子中羟基的应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁共振谱法测定了国产紫胶桐酸的优势构象,结果表明,其分子中连羟基处于交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类化物分子共面性较强,为较大的共轭体系,取代羟基的接入,对橙酮类化物共面性影响不大。

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油二酯和糖结未酯化的形成的。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了以对苯乙酸为原料,经过苄化、酯化、还原、甙化等步骤成红景天甙的一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两缩酮保护,再正己烷重结晶分离纯化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,选乙酰氯作酰化剂、二氯甲烷作酰化溶剂,测定含环氧聚酯的值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含化物的丙交酯/醇铁聚体系中,化物作为共引发剂参与了丙交酯的开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲丙烯酰氯、甲丙烯酸酐和甲丙烯酸作酰化剂，研究了胆酸甲酯分子中的反应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采核磁共振谱法测定了国产紫胶桐酸的优势构象,结果表明,其分子中连二处于反交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类化物分子共面性较强,为较大的共轭体系,取代的接入,对橙酮类化物共面性影响大。

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油二酯和糖结未酯的羟基形成的。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了以对羟基苯乙酸为原料,经过苄基、酯、还原、甙等步骤成红景天甙的一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基用缩酮保护,再用正己烷重结晶分离纯。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其原理分析,选用乙氯作、二氯甲烷作溶,测定含环氧基聚酯的羟值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含羟基物的丙交酯/醇铁聚体系中,羟基物作为共引发参与了丙交酯的开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基丙烯氯、甲基丙烯酸酐和甲基丙烯酸作，研究了胆酸甲酯分子中羟基的反应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁共振谱法测定了国产紫胶桐酸的优势构象,结果表明,其分子中连二羟基处于反交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类物分子共面性较强,为较大的共轭体系,取代羟基的接入,对橙酮类物共面性影响不大。

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是由甘油二酯和糖未酯化羟基形成。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了以对羟基苯乙酸为原料,经过苄基化、酯化、还原、甙化等步骤成红景天甙一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟基用缩酮保护,再用正己烷分离纯化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,选用乙酰氯作酰化剂、二氯甲烷作酰化溶剂,测定含环氧基聚酯羟值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些果表明在含羟基化物丙交酯/醇铁聚体系中,羟基化物作为共引发剂参与了丙交酯开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲基丙烯酰氯、甲基丙烯酸酐和甲基丙烯酸作酰化剂，研究了胆酸甲酯分子中羟基反应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁共振谱法测定了国产紫胶桐酸优势构象,果表明,其分子中连二羟基处于反交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类化物分子共面性较强,为较大共轭体系,取代羟基接入,对橙酮类化物共面性影响不大。

Glycolipids (glycosyldiacylglycerols) are diacylglycerols with a sugar attached to the unesterified hydroxyl group.

糖酯类物质是二酯和糖结未酯化的羟的。

In this paper, synthesis of salidroside was reported starting from 4 hydroxyl phenylacetic acid through benzylation, esterification, reduction and glycosidation.

报道了以对羟苯乙酸为原料,经过苄化、酯化、还原、甙化等步骤红景天甙的一种方法.

METHODS The hydroxyl groups of magnolol were protected using ketol reaction and the products were purified by recrystallization from hexane.

方法将厚朴酚两羟用缩酮保护,再用正己烷重结晶分离纯化。

The hydroxyl value of epoxy-containing polyester was determined by analyzing acetification principle and using acetyl chloride as acetifier and methylene chloride as solvent.

通过对其酰化原理分析,选用乙酰氯作酰化剂、二氯甲烷作酰化溶剂,测定含环氧聚酯的羟值。

The ring-opening polymerization mechanism of lactide in the presence of hydroxyl compounds was studied by using ferric ethoxide and ferric n-butoxide as catalysts respectively.

这些结果表明在含羟化物的丙交酯/醇铁聚体系中,羟化物作为共引发剂参与了丙交酯的开环聚。

Acylation activity of hydroxyl groups in methyl cholicate has been determined by the use of methacryloyl chloride, methacryloyl anhydride and methacrylic acid as the acylating agents.

以甲丙烯酰氯、甲丙烯酸酐和甲丙烯酸作酰化剂，研究了胆酸甲酯分子中羟的反应活性。

Nuclear magnetic resonance techniques are used to determine the national aleutric acid preferential conformation. The results show that the dithionic hydroxyl radicals are in reciprocal cross bearing.

采用核磁共振谱法测定了国产紫胶桐酸的优势构象,结果表明,其分子中连二羟处于反交叉位。

The aurone compounds are generally on one plane ,and they have a bigger conjugate system .The inducement of hydroxyl substituents has little influence on their own geometries .

橙酮类化物分子共面性较强,为较大的共轭体系,取代羟的接入,对橙酮类化物共面性影响不大。