Process for the preparation of methylene compounds and the novel

Details Process for the preparation of methylene compounds and the novel Process for the preparation of methylene compounds and the novel

1995-12-06

1997-01-07

Dees, Jos e G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

549504, 549505, 549 77, 549496, C07D33312, C07D30738

Patent

active

055918697

ABSTRACT:
Methylene compounds are preferably prepared by reducing an aluminum halide complex of the formula ##STR1## in which R.sup.1 represents a C.sub.6 -C.sub.10 -aryl radical which is optionally substituted by 1 to 4 C.sub.1 -C.sub.4 -alkyl radicals, 1 to 4 fluorine, chlorine and/or bromine atoms, one C.sub.1 -C.sub.8 -alkoxy group and/or one acetoxy group, or represents a heteroaryl radical which is optionally substituted by one C.sub.1 -C.sub.4 -alkyl radical and/or one fluorine, chlorine or bromine atom and contains 5 to 10 C atoms and one O or S atom and

REFERENCES:
patent: 3579538 (1971-05-01), Meyer et al.
patent: 5288751 (1994-02-01), Brooks et al.
patent: 5426196 (1995-06-01), Fang
Houben-Weyl, "Methoden de der organischen Chemie", vo. 11d, p. 267 (1981).
C. Lau et al, J. Org. Chem., vol. 54, pp. 491-494 (1989).
A. Ono et al, Synthesis, pp. 736-765 (1987).
G. Gribble et al, Synthesis, pp. 763-765 (1978).
J. March, "Advanced Organic Chemistry", 2nd Ed., pp. 1119-1121, McGraw-Hill, New York (1977).
B. R. Brown, et al., Journal of the Chemical Society, pp. 3755-3757, (1957).
R. F. Nystrom, et al., Journal of the American Chemical Society, vol. 80, No. 11, pp. 2896-2898, (1958).
J. March, Advanced Organic Chemistry, pp. 490-493, (1984).

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