Silanes, process for their preparation, and their use

Details Silanes, process for their preparation, and their use Silanes, process for their preparation, and their use

1987-06-08

1989-01-31

Shaver, Paul F.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

548543, 548552, 548952, 568715, 568840, 568832, 568835, 568 69, 260513R, 260513F, 562496, 564161, 564192, 564508, C07D23354

Patent

active

048017191

ABSTRACT:
Compounds of the formula Ia ##STR1## in which X and R.sup.1 to R.sup.6 are as defined in the claims, are obtainable by reacting monochlorosilanes of the formula II ##STR2## with tetrasubstituted ethylenes of the formula III ##STR3## X as Cl and Br can be replaced by ester groups of inorganic and organic acids. The compounds of the formula I and those with other ester groups are suitable especially as a protective-group reagent for hydroxyl, mercapto, carboxyl, amino and amide groups.

REFERENCES:
patent: 2626268 (1953-01-01), Barry et al.
patent: 2642447 (1953-06-01), Plueddemann
patent: 2684974 (1953-07-01), Hatcher et al.
patent: 4254271 (1981-03-01), Finke et al.
patent: 4297499 (1981-10-01), Koga et al.
"J. of Organomett Chem.", 225, pp. 177-191 (1982).
"Synthetic Conmunications", 9(4), 295-299 (1979).
Noll, "Chemi und Technologie der Silicone", Verlag Chemie, Weinheim, pp. 44-49 (1968).

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