Preparation of unsaturated heterocyclic carbonyl-containing comp

Details Preparation of unsaturated heterocyclic carbonyl-containing comp Preparation of unsaturated heterocyclic carbonyl-containing comp

1982-09-13

1984-07-10

Niebling, John F.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

204 59R, 548317, 548320, 548543, C07D23320, C07C 100

Patent

active

044594119

ABSTRACT:
Unsaturated heterocyclic carbonyl-containing compounds, e.g., 2H-imidazol-2-ones, 2(3H)-oxazolones and 2H,3H-pyrrol-2-ones, are prepared by the anodic oxidation of saturated heterocyclic carbonyl-containing precursors of the above compounds in a C.sub.1-4 alcohol or carboxylic acid solvent in the presence of a supporting electrolyte followed by dehydrosubstitution of the alkoxy- or acyloxy-substituted intermediate.
The products formed may be polymerized or copolymerized with other ethylenically unsaturated monomers to prepared resins, films, etc. or they may be employed as intermediates for the preparation of various biologically active compounds.

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T. Shono et al., J.A.C.S., 97, 4264 (1975).
James, T. K.: Woo et al., J. Polymer Sci., B, 7, 181 (1969).
Hartmann et al., Liebigs Ann. Chem., 1319 (1976).
Duschinsky et al., J.A.C.S., 2350 (1946).
Scholz et al., Ann. Chem. 1976, pp. 1319-1322.

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