One step process for converting high-boiling residue from direct

Details One step process for converting high-boiling residue from direct One step process for converting high-boiling residue from direct

1996-06-13

1997-05-06

Shaver, Paul F.

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

Organic compounds

Silicon containing

556466, 556468, 423342, C07F 708

Patent

active

056272987

ABSTRACT:
A one-step process for the production of monosilanes from the high-boiling residue resulting from the reaction of organochlorides with silicon metalloid in a process typically referred to as the "direct process." The process comprises contacting a mixture comprising the high-boiling residue, an organotrichlorosilane, and hydrogen chloride with a catalytic amount of catalyst composition effective in promoting the formation of monosilanes from the high-boiling residue. A preferred catalyst composition comprises aluminum trichloride, at least a portion of which may be formed in situ during conduct of the direct process and isolation of the high-boiling residue. Typically, the monosilane product of the present process comprises almost exclusively methyltrichlorosilane and tetrachlorosilane.

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