Tert-butyl cycloalkyl dialkoxysilane compounds and method for pr

Details Tert-butyl cycloalkyl dialkoxysilane compounds and method for pr Tert-butyl cycloalkyl dialkoxysilane compounds and method for pr

1994-09-07

1995-09-19

Shaver, Sr., Paul F.

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

Organic compounds

Silicon containing

C07F 718

Patent

active

054516935

ABSTRACT:
Herein disclosed are a tert-butyl cycloalkyl dialkoxysilane compound which is quite useful as a water repellant for treating the surface of a variety of construction materials such as wood, concrete and marble and which can easily be used, and a method for preparing the compound. A Grignard reagent represented by the formula: R.sup.1 MgX is reacted with a silane compound represented by the formula: (CH.sub.3).sub.3 CSiH(OR.sup.2).sub.2. Then the resulting silane compound: (CH.sub.3).sub.3 CSiHR.sup.1 (OR.sup.2) is further reacted with an alcohol: R.sup.2 OH in the presence of a catalyst to give a tert-butyl cycloalkyl dialkoxysilane compound: (CH.sub.3).sub.3 CSiR.sup.1 (OR.sup.2).sub.2.

REFERENCES:
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patent: 5142082 (1992-08-01), Sato et al.
patent: 5175332 (1992-12-01), Chatterton et al.
patent: 5248803 (1993-09-01), Aoki et al.
patent: 5296624 (1994-03-01), Larson et al.
patent: 5359114 (1994-10-01), Aoki et al.
Chemical Abstracts, vol. 119, No. 8 (Aug. 23, 1993), Abstract No. 73312 p. (Dec. 1989).

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