格氏法合成甲基苯基二甲氧基硅烷
New Chemical Materials(2016)
Abstract
以氯苯(PhCl)、镁屑和甲基三甲氧基硅烷(MTMS)为原料,以四氢呋喃(THF)为溶剂,经格氏法分步反应制备甲基苯基二甲氧基硅烷[MePhSi(OMe)2],并用IR、1 H-NMR对产物的结构进行了表征.通过正交试验法对各影响因素的考察及优化实验结果表明,当物料投料比n(Mg)∶n (PhCl)∶n (MTMS)∶n(THF)为1∶1.05∶4∶2.4,回流反应为3h时,MePhSi(OMe)2的收率可达73%.
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