cetirizine hydrochloride 中文意思是什麼
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Abstract : cetirizine hydrochloride was synthesized from chlorobenzene and benzoyl chloride by the friedel - crafts reaction ， reduction, and chlorination followed by condensation with piperizine, 2 - chloroethanol and sodium chloroacetate in turn in 28. 2 % overall yield based on chlorobenzene
文摘:以氯苯和苯甲酰氯為起始原料，經付克反應、還原、氯化，再分別與哌嗪、氯乙醇、氯乙酸鈉縮合，成鹽制得鹽酸西替利嗪，總收率為28 . 2 %
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