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
酐和甲
丙烯
作酰化剂,研究了胆
甲酯分
中羟
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.
以甲丙烯酰氯、甲
丙烯
酐和甲
丙烯
作酰化剂,研究了胆
甲酯分
中羟
的反应活性。
METHODS Terazosin hydrochloride was synthesized from anhydro-piperazine via acylation,reduction,amination,salification etc.
方法以无水哌嗪为起始原料,经酰化、还原、胺化、成盐等反应制得盐唑嗪。
Using α-naphthol as raw material, nadolol was synthesized through reaction steps comprising of reduction, acylation, oxidation, etherification and amination.
以α-萘酚为原料,经过还原、酰化、氧化、醚化和胺化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.
以乙苯作为原料,通过乙酰化、还原、脱水、溴化和消除五步反应成了乙
苯乙炔,并对反应条件进行了优化。
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.
通过付氏酰化反应引入乙酰
,接着溴化、胺化,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.
方法以克霉素为起始原料,经水解、乙酰化、环碳
酯化、氧化、脱碳
酯化、酰化、环氨
甲
酯化和环
等反应
成目标化
物。
The chemical modification methods of food proteins are summarized,including acylation,deamidation,phosphorylation,glycosylation,covalent cross-linking effect etc.
综述了酰化作用、去酰胺作用、磷化作用、糖
化作用、共价交联作用等食品蛋白质的化学改性技术及方法。
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