Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.
以苯
原料,经化,
原,环合等反应合成左旋西替利嗪盐酸盐,反应总收率8.05%。
；[医]化苯Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.
以苯原料,经化,原,环合等反应合成左旋西替利嗪盐酸盐,反应总收率8.05%。
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