Patent ID: 8829221
Filing Date: 2014-09-09
Classification: C01B,C07F

Abstract:
1. A method for producing monosilane and tetraalkoxysilane comprising subjecting alkoxysilane represented by formula (1) wherein R represents alkyl group having 1 to 6 carbon atoms and n represents an integer of from 1 to 3, to dismutation reaction in a gaseous phase in the presence of a catalyst containing an alkali metal fluoride and a catalyst activator from the group consisting of the following (i) to (vi): (i) tetrakis(dialkylamino)phosphonium halide represented by formula (2) wherein R (ii) 1,4-diazabicyclo[2.2.2] octane; (iii) hexaalkyl guanidinium halide represented by formula (3) wherein R (iv) tetraalkyl ammonium chloride represented by formula (4) wherein R (v) calcium fluoride; and (vi) oligo(ethylene glycol) dimethyl ether represented by formula (5) wherein m is an integer of 2 to 8.