Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.
苯甲酰氯为原料,经酰化,还原,环合等反应合成左旋西替
酸,反应
收率为8.05%。
Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%.
苯甲酰氯为原料,经酰化,还原,环合等反应合成左旋西替酸,反应收率为8.05%。
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