方法采用对硝基苯胺为原料，经还原、加保护基、甲酰化、氯化、环合、脱保护基六步反应法可进行化学合成。
Methods Apraclonidine was synthesized from P-Nitraniline by reaction with reduction, adding protection group, formylation, chlorination, cyclization, off-protecting group.
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%.
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.
考察了酰化反应温度、酰化反应时间、硝化剂种类、水解反应时间、还原剂种类、甲酸用量等因素对各步反应收率的影响。
Factors influencing the product yield are discussed, such as nitrating agents, reductive agents, reaction temperature, reaction time, have been investigated.
目的探讨改进合成普拉洛芬的方法方法以2-氯烟酸原料经缩合、还原、取代、酰化等制得普拉洛芬。
Objective To study the synthetic method of pranoprofen. Methods Pranoprofen was synthesized from 2-chloronicotinic acid by condensation, reduction, substitution and acylation.
方法：以庚二酸单乙酯为原料，经酰氯化、傅克酰化、还原、水解、缩合及氧化反应合成塞曲司特。结果：塞曲司特的总产率为5 0 .7%。
Methods and results:Through acylation, Friedel Crafts reaction, reduction, hydrolysis, condensation and oxidation, the title compound was prepared with a total yield of 50.7%.
方法以苯乙胺为原料，经酰化反应得乙酰苯乙胺，在多聚磷酸的作用下环合得1-甲基-3，4-二氢异喹啉，经硼氢化钠还原得1-甲基-1，2，3，4-四氢异喹啉。
Methods 1-Methyl-1,2,3,4-tetrahydroisoquinoline was synthesized from phenethylamine through three steps:acetylation with acetyl chloride, cyclization with PPA and reduction with potassium borohydride.
方法以苯乙胺为原料，经酰化反应得乙酰苯乙胺，在多聚磷酸的作用下环合得1-甲基-3，4-二氢异喹啉，经硼氢化钠还原得1-甲基-1，2，3，4-四氢异喹啉。
Methods 1-Methyl-1,2,3,4-tetrahydroisoquinoline was synthesized from phenethylamine through three steps:acetylation with acetyl chloride, cyclization with PPA and reduction with potassium borohydride.
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