Substituted pyridines and their preparation

Details Substituted pyridines and their preparation Substituted pyridines and their preparation

1981-09-08

1983-09-20

Love, Ethel G.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

570190, 570215, C07D21304

Patent

active

044057920

ABSTRACT:
4-(Chlorophenyl)pyridines in which the chlorine atom is in the 3- or 4-position of the phenyl group are prepared by reacting a 4-vinyl pyridine with chloroprene to form a 4-(3- or 4-chlorocyclohex-3-enyl)pyridine and then catalytically dehydrogenating the 4-(3- or 4-chlorocyclohex-3-enyl)pyridine to form a 4-(3- or 4-chlorophenyl)pyridine. The 4-(3- and 4-monochlorocyclohex-3-enyl)pyridines are novel compounds.

REFERENCES:
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patent: 2886606 (1959-05-01), Mattner et al.
patent: 3056793 (1962-10-01), Luvisi
Schmidle et al., J. Am. Chem. Soc., 78, pp. 1702-1705 (1956).
Petrov et al., Journ. General Chem. U.S.S.R. 26(1), pp. 49-51 (1956), (English Translation Copyright 1956, Consultants Bureau, Inc., N.Y., N.Y.).
Titov et al., Bull'n Acad. Sciences USSR, Division Chem. Sci., (English Translation, 1960, 1687-1691).
Butterworth et al., J. Chem. Soc., 1940, 355-358, Chem. Abstracts, vol. 64, (1966) Columns 713 and 714, (Netherlands Appl'n No. 6,414,307.
House, Modern Synthetic Reactions, 2nd Edition, W. A. Benjamin Publishers, Copyright 1972, p. 14.

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