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,
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,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%。
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