Abstract Flash vacuum pyrolysis of bis (trimethylsilylmethyl) methoxysilanes was found to be an efficient route to 1, 3-disilacyclobutanes. Flash vacuum pyrolysis of bis (trimethylsilylmethyl) dimethoxysilane or bis (trimethylsilylmethyl) chloromethoxysilane gave 1-methoxy-1, 3, 3-trimethyl-1, 3-disilacyclobutane or 1-chloro-1, 3, 3-trimethyl-1, 3- disilacyclobutane, respectively. The thermolysis is regarded as proceeding through initial ...
