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Synthesis of the Analog of Bifemelane Hydrochloride by Phase Transfer Catalysis
Author(s): ZHANG Jia-an, ZHANG Jian
Pages: 26-
29
Year: 2005
Issue:
3
Journal: GUANGZHOU CHEMISTRY
Keyword: 二苯美仑类化合物; 活性Al2O3; 合成; 相转移催化;
Abstract: 以苯甲醇、苯酚为起始原料,在催化剂活性Al2O3存在下,通过Claisen重排反应得到关键中间体2-苄基苯酚,利用相转移催化技术进行醚化反应后,再经过胺化、酸化反应合成得到一种新型结构的二苯美仑类化合物.反应过程经优化使中间体2-苄基苯酚产率较文献提高8%,反应总收率64.7%.合成产物化学结构经红外光谱、核磁共振、质谱、元素分析得到确证.
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