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.
甲基丙烯氯、甲基丙烯酸酐和甲基丙烯酸作,研究了胆酸甲酯分中羟基的反应活性。
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.
甲基丙烯氯、甲基丙烯酸酐和甲基丙烯酸作,研究了胆酸甲酯分中羟基的反应活性。
METHODS Terazosin hydrochloride was synthesized from anhydro-piperazine via acylation,reduction,amination,salification etc.
法无水哌嗪为起始原料,经、还原、胺、成盐等反应制得盐酸特拉唑嗪。
Using α-naphthol as raw material, nadolol was synthesized through reaction steps comprising of reduction, acylation, oxidation, etherification and amination.
α-萘酚为原料,经过还原、、氧、醚和胺等一系列步骤制备了纳多洛尔。
p-Ethyl-phenylacetylene was synthesized from starting materials ethylbenzene via five steps by acylation、reduction、dehydration、bromize、eliminition reaction.And the conditions were optimized.
乙苯作为原料,通过乙、还原、脱水、溴和消除五步反应合成了乙基苯乙炔,并对反应条件进行了优。
The title resin has been prepared by Friedel-Crafts acylation followed by bromination and amination.The method avoids the utilization of cancerogenic chloromethyl methyl ether.
通过付氏基反应引入乙基,接着溴、胺,得到标题树脂。该法避免了使用氯甲醚。
Method The target compound was synthesized from clarithromycin via hydrolyzation,acetylation,cyclic carbonatation,oxidation,decarbonatation,acylation,cyclic carbamatation and cyclization.
法克拉霉素为起始原料,经水解、乙、环碳酸酯、氧、脱碳酸酯、、环氨基甲酸酯和环合等反应合成目标合物。
The chemical modification methods of food proteins are summarized,including acylation,deamidation,phosphorylation,glycosylation,covalent cross-linking effect etc.
综述了作用、去胺作用、磷酸作用、糖基作用、共价交联作用等食品蛋白质的学改性技术及法。
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