Method for preparing tetrapropoxysilane and tetrabutoxysilane from pentaligand organosilicon compound

• Main Authors: ZHU JUNYAN, TANG HUILIN, LI SHAOPING, LYU RENLIANG, LI MORAN, ZHANG YAYUN, SUN GANG, WANG BIN
• Format: Patent
• Language: Chinese; English
• Published: 19.04.2024
• Subjects: ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM; CHEMISTRY; METALLURGY; ORGANIC CHEMISTRY

The invention relates to a method for preparing tetrapropoxy silane and tetrabutoxy silane from a five-ligand organosilicon compound. The method comprises the following steps: heating and reacting a pentaligand organosilicon compound under the catalysis of a catalyst, and centrifuging after the reaction is finished; and adding a proper amount of an organic solvent and calcium oxide into the filtrate, stirring, filtering, and removing the solvent through reduced pressure evaporation to obtain the alkoxy silane. Reaction conditions are mild, operation is easy and convenient, and environment friendliness is achieved. 本发明涉及一种五配位体有机硅化合物制备四丙氧基硅烷与四丁氧基硅烷的方法。步骤如下：五配位体有机硅化合物在催化剂催化下加热反应，反应结束后离心。向滤液中加入适量有机溶剂和氧化钙，搅拌后过滤，再经减压蒸发除去溶剂得到烷氧基硅烷。反应条件温和、操作简便，环境友好。