Cyclic phenol organosilanes and method for their preparation

Details Cyclic phenol organosilanes and method for their preparation Cyclic phenol organosilanes and method for their preparation

1987-07-06

1990-05-08

Shaver, Paul F.

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

Organic compounds

Silicon containing

556486, C07F 708

Patent

active

049240218

ABSTRACT:
Disclosed are 2-silacoumaranes and their o-allylphenolsilane monoester precursors and methods for their preparation. The benzene ring of these new compounds may be substituted with halogen and/or alkyl or alkyl halogen moieties. The cyclization of monoester precursor to the desired end products is performed in the presence of catalysts. This cyclization can be performed without the isolation of the o-allyphenolsilane monoester by feeding by the cyclization reactor with the starting products for the preparation of this intermediate directly after they have reacted, or, if trichlorosilane is the starting product, directly after they have been mixed.
Among other applications, the invention compounds are suitable for use as adhesion mediators and additives for coating compositions.

REFERENCES:
patent: 3328450 (1967-06-01), Plueddemann
Bertrand et al., "Tetrahedron", 37, No. 14, pp. 2451 to 2466, 1981.

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