Study on the reaction between bisphenol A and dimethyl carbonate over organotin oxide

被引：22
|
作者：
He, Xiaolong [1 ]
Li, Zhenhuan [1 ]
Su, Kunmei [2 ]
Cheng, Bowen [1 ]
Ming, Jun [1 ]
机构：
[1] Tianjin Polytech univ, Sch Mat & Chem Engn, State Key Lab Hollow Fiber Membrane Mat & Proc, Tianjin 300160, Peoples R China
[2] Tianjin Polytech univ, Sch Environm Sci & Chem Engn, Tianjin 300160, Peoples R China
来源：
CATALYSIS COMMUNICATIONS | 2013年 / 33卷
基金：
中国国家自然科学基金;
关键词：
Transesterification; Methylation; Organotin oxide; Dimethyl carbonate; Bisphenol A; DIPHENYL CARBONATE; INTERCHANGE REACTION; OXIDATIVE CARBONYLATION; POLYCARBONATE; MELT; CATALYST; KINETICS; PHENOL;
D O I：
10.1016/j.catcom.2012.12.017
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Organotin oxide was used to catalyze the reaction between BPA (bisphenol A) and DMC (dimethyl carbonate), and Ph2SnO (diphenyltin oxide) displays the excellent catalytic performance in transesterification and O-methylation. However, Bu2SnO (dibutyltin oxide), (PhCH2)(2)SnO (dibenzyltin oxide) and (C6H11)(2)SnO (dicyclohexyltin oxide) exhibited weaker catalytic activity but higher selectivity for C-methylation product formation. The pi-pi function between Ph2SnO and BPA provided more chances for their interaction, and pi-d interaction between phenyl ring and Sn resulted in catalyst having higher activity in transesterification and O-methylation. O-methylation product formation over Ph2SnO comes from transesterification product decomposition not from direct methylation of BPA with DMC. (C) 2013 Elsevier B.V. All rights reserved.
引用
收藏
页码：20 / 23
页数：4
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