Process for preparing silacyclohexane compounds

Details Process for preparing silacyclohexane compounds Process for preparing silacyclohexane compounds

1995-08-07

1996-06-04

Shaver, Paul F.

Perfume compositions

Perfume compositions

Ring containing active ingredient

20415744, 20415745, 20415774, C07F 708, C07F 718

Patent

active

055234399

ABSTRACT:
Processes for selectively preparing silacyclohexane compounds of a trans form from diarylsilacyclohexane compounds of the general formula ##STR1## wherein Ar and Ar' independently represent a phenyl group or a tolyl group, and Q represents a group of the type indicated below ##STR2## The diarylsilacyclohexanes are converted to dihalosilacyclohexanes and then to hydrohalosilacyclohexanes directly or via dialkoxylation and/or reduction step. The hydrohalosilacyclohexane are finally reacted with organometallic compounds having a group, Q', of the type indicated below ##STR3## to obtain silacyclohexane compounds of the general formula ##STR4## wherein Q' and Q have, respectively, the groups indicated hereinabove.

REFERENCES:
patent: 4973723 (1990-11-01), Cawthorn et al.
patent: 5454977 (1995-10-01), Shimizu et al.

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