Direct synthesis of methylchlorosilaakanes

Details Direct synthesis of methylchlorosilaakanes Direct synthesis of methylchlorosilaakanes

1991-05-08

1991-12-24

Shaver, Paul F.

Organic compounds -- part of the class 532-570 series

Organic compounds

Silicon containing

C07F 708

Patent

active

050754777

ABSTRACT:
A novel and improved method for simultaneously producing 2,4,6-trisilaheptane of the following formula (I) and 1,3-disilabutane of the following formula (II), which are the starting material essential for forming silicon polymers: wherein, R is methyl group or chloro group. ##STR1## The method is characterized by reacting silicon and chloromethylsilanes of the following formula (III) at 250.degree. C.-350.degree. C. and in the presence of copper as a catalyst, exclusively or together with cadmium powder as a co-catalyst. ##STR2##

REFERENCES:
patent: 2507513 (1950-05-01), Goodwin
patent: 3527781 (1970-09-01), Levin
patent: 4278908 (1988-10-01), Pillot et al.
patent: 5026893 (1991-06-01), Pacioreh et al.

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