方法:以芦丁为原料,经苯甲酰化,水解,糖苷缩合和脱保护合成目标化合物。
Methods: Rutin was utilized as the starting material. The target compounds were produced via benzoylation, hydrolysis, glycosidation and deproteination.
设计了以国内生产的间甲酚为原料,经过乙酰化、氯化、再酯化和醇解等四步合成间羟基苯甲醇的合成路线。
A new route to synthesize the target compound starting from m-cresol, which undergoes four steps including acetylation, chloration, esterification, and alcoholysis was proposed.
以对氨基水杨酸为原料,经酯化、酰化和烃化反应得乙氧苯酯,总收率为87.4%。
Ethopabate is prepared via esterification, acylation and alkylation from p-aminosalicylic acid in87.4% overall yield.
以苯甲酰氯为原料,经酰化,还原,环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8.05%。
Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05%.
并考察了HZ - 1沸石交换次数等制备条件和催化剂用量对甲苯的苯甲酰化反应的影响。
The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite, for example, number of exchange times on the benzoylation of toluene were studied.
以苯甲酰氯为原料,经酰化,还原,环合等反应合成左旋西替利嗪盐酸盐,反应总收率为8。05%。
Levocetirizine dihydrochloride was prepared from benzoyl chloride by acids lation hydrogenation cyclization with an overall yield of8.05%.
介绍了以亚甲基蓝为原料,经还原、酰化生成苯甲酰无色亚甲基蓝的方法。
Bengoyl leuco methylene blue is prepared from methylene blue by reduction and acylation.
邻苯二甲酰化壳聚糖在多种常见有机溶剂中能形成胆甾液晶相。
N-phthaloyl chitosan is able to form cholesteric liquid crystalline phase in concentrated solutions of some organic solvents, including DMF, DMSO, DMAc and pyridine.
以叔戊苯和笨酐为原料,通过酰基化和关环合成了2—戊基蒽醌,改进和优化了各步合成工艺条件,酰化收率80.2%,关环产品收率81.4%。
An improved and optimum process for preparing 2-Amylanthraquinone by re-acting t-amylbenzene with phthalic anhydride, involving Friedel-Crafts acylation (yield 80. 2%) and cyclization(yield 81.4%).
本发明涉及一种用于制备链烯基化的羟化芳族化合物、苯并二氢吡喃化合物和其酰化衍生物的方法。
The present invention relates to a process for the manufacture of alkenylated hydroxylated aromatic compounds, of chroman compounds and of their acylated derivatives.
通过对(-)-表儿茶素的苯甲酰化物的分析,研究了单宁的苯甲酰化位置与次序,从而比较合理地说明了与异氰酸酯反应的羟基的位置。
The position and sequence of benzoylation in tannin were studied by the analysis of benzoylated (-) epicatechin derivatives. The position of hydroxyl groups which react with isocya…
通过对(-)-表儿茶素的苯甲酰化物的分析,研究了单宁的苯甲酰化位置与次序,从而比较合理地说明了与异氰酸酯反应的羟基的位置。
The position and sequence of benzoylation in tannin were studied by the analysis of benzoylated (-) epicatechin derivatives. The position of hydroxyl groups which react with isocya…
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