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Synthesis of Benzyl Bromide
Author(s): ZHENG Chun-zhi, ZHANG Guo-Hua
Pages: 22-
25
Year: 2005
Issue:
3
Journal: GUANGZHOU CHEMISTRY
Keyword: 溴化苄; 二苄醚; 固体超强酸SO42-/TiO2;
Abstract: 以二苄醚和氢溴酸为原料,SO42-/TiO2为催化剂,环已烷为带水剂,合成了溴化苄.实验分别考察了反应物摩尔比、反应时间、反应温度、带水剂的用量,催化剂的使用量等因素对溴化苄收率的影响,得出了用此方法合成溴化苄的最佳反应条件:氢溴酸与二苄醚的摩尔比为3:1,反应时间为8 h,环已烷为8 mL,SO2-4/TiO2催化剂的用量为0.5 g,溴化苄的收率达80.2%.
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