Process for the preparation of halosilanes

Details Process for the preparation of halosilanes Process for the preparation of halosilanes

1989-07-13

1991-07-02

Bond, Robert T.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

556474, C07F 712

Patent

active

050287060

ABSTRACT:
The present invention relates to a process for the preparation of compounds of the formula I ##STR1## in which Hal denotes F, Cl, Br or I; X denoted O, S or CH.sub.2 ; Y denotes CH or N; R.sup.1 denotes H or (C.sub.1 -C.sub.4 -alkyl; R.sup.2 denotes H, F, Cl or Br and R.sup.3 denotes H, F, Cl, Br, (C.sub.1 -C.sub.4)alkyl or (C.sub.1 -C.sub.4)alkoxy, which comprises reacting a compound of the formula II ##STR2## in which aryl stands for an unsubstituted or substituted phenyl, naphthyl or thienyl radical of the formulae (A), (B) or (C) ##STR3## in which R.sup.4, R.sup.5 and R.sup.6 independently of each other denote H, alkyl, alkoxy, alkylthio, dialkylamino, phenoxy, phenylthio or phenyl and m, n and o independently of each denote the values 0, 1 or 2, and X, Y, R.sup.1, R.sup.2 and R.sup.3 are as defined in formula I,

REFERENCES:
Benkeser et al., "J. Am. Chem. Soc.", vol. 76 (1954), pp. 1252-1253.
Bazant et al., "Organosilicon Compounds", vol. 1, (1965), pp. 225-237 (Academic Press).

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