1 . 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%.
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1.酰化作用：同acylation
1 . 酰化作用
酰化的acylating酰化作用acidylation酰基acyl
2 . 酰基化
acidylable 酰化的, acidylation酰基化, acidylate 酰基化
1 . 醯基
酸酐(失水酸) anhydride酸基；醯基acidyl酸硷均衡；酸硷平衡 acid-base balance;acid-base equilibrium.
2 . 酸基
酸酐(失水酸) anhydride酸基；醯基 acidyl酸硷均衡；酸硷平衡 acid-base balance;acid-base equilibrium.
1 . 酰化的
aciduric 耐酸, acidylable 酰化的, aciduricity 耐酸
