A process for producing a 1-benzylimidazole compound represented by the following formula (I)
wherein R₂ is lower alkyl or phenyl and R₄ is hydrogen or methyl
which comprises (a) heating a 1-unsubstituted imidazole compound of formula (II)
wherein R₂ and R₄ are as defined above, with (i) benzyl alcohol in the presence of a carboxylic acid, a carboxylic anhydride, a benzyl ester thereof or a lower alkyl ester thereof or (ii) with a benzyl ester of a carboxylic acid and (b) neutralizing the reaction product with an alkali.
一种生产下式(I)代表的 1-苄基
咪唑化合物的工艺
其中 R₂ 是低级烷基或苯基,R₄ 是氢或甲基
其中,R₂为低级烷基或苯基,R₄为氢或甲基; (a) 加热式(II)的 1-未取代
咪唑化合物
其中 R₂ 和 R₄ 如上文所定义,与(i)
苄醇在
羧酸、
羧酸酐、其苄酯或其低级烷基酯存在下加热,或(ii)与
羧酸的苄酯加热,以及(b)用碱中和反应产物。