Preparation of N-alkenylcarboxamides

Details Preparation of N-alkenylcarboxamides Preparation of N-alkenylcarboxamides

1995-08-10

1997-06-24

Dees, Jose G.

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

Organic compounds

Unsubstituted hydrocarbyl chain between the ring and the -c-...

548552, 548554, 546243, 564215, 564187, 564134, 564135, C07D20108, C07D207267, C07C23306, C07C23536

Patent

active

056418817

ABSTRACT:
Preparation of N-alkenylcarboxamides of the general formula I ##STR1## where at least one of the radicals R.sup.1 is hydrogen and the second radical R.sup.1 is hydrogen or a C.sub.1 -C.sub.4 -alkyl group, the radical R.sup.2 is an aliphatic, cycloaliphatic, araliphatic or aromatic radical which can be bonded to the radical R.sup.3 to give a 3- to 10-membered bridge member, and the radical R.sup.3 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, from an alkenyl carboxylate of the general formula II ##STR2## where R.sup.1 has the meanings indicated above and R.sup.4 is hydrogen or an aliphatic, cycloaliphatic or aromatic radical, and a carboxamide of the general formula III ##STR3## where the radicals R.sup.2 and R.sup.3 have the meanings indicated above, by reacting the starting compounds in the presence of a base is described.

REFERENCES:
patent: 3424791 (1969-01-01), Kurtz et al.
patent: 3914304 (1975-10-01), Schnabel et al.
patent: 4675442 (1987-06-01), Besecke et al.
patent: 5155253 (1992-10-01), Murray
Bayer et al. "Homogenous Catalytic Vinylation of Cyclid Imides and Lactams for the synthesis of N-Vinyl Monomers", Angew Chem., vol. 18 (7), pp. 533-534. 1979.
JP 70/5027 Chem. Abstract Jan. 1970.

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