申请人:Shen Qionghua
公开号:US20100022792A1
公开(公告)日:2010-01-28
A process for preparing a cyclic organosilane using a solvent that promotes ring-closure reactions between an organosilane compound and a dihalo organic compound is disclosed. The ring-closure reactions may form a 4-, 5- or 6-member cyclic organosilane. The process involves a mixture including a dihalo organic compound, an organosilane having at least two functional groups, a solvent and magnesium (Mg). The two functional groups in the organosilane may include halogen, alkoxy or a combination thereof. In the presence of Mg, a Grignard intermediate is formed from the dihalo organic compound in the mixture. The solvent favors intra-molecular or self-coupling reactions of the Grignard intermediate. The intra-molecular or self-coupling reaction promotes ring-closure reaction of the Grignard intermediate to form the cyclic organosilane.
本发明揭示了一种使用促进有机硅化合物和二卤有机化合物之间环闭反应的溶剂制备环状有机硅烷的方法。环闭反应可以形成4、5或6环有机硅烷。该过程涉及包括二卤有机化合物、至少具有两个功能基团的有机硅烷、溶剂和镁(Mg)的混合物。有机硅烷中的两个功能基团可以包括卤素、烷氧基或其组合。在Mg的存在下,二卤有机化合物在混合物中形成Grignard中间体。溶剂有利于Grignard中间体的分子内或自耦合反应。分子内或自耦合反应促进Grignard中间体的环闭反应,形成环状有机硅烷。