N-Substituted .alpha.-ketocarboxylic acid amides

Details N-Substituted .alpha.-ketocarboxylic acid amides N-Substituted .alpha.-ketocarboxylic acid amides

1979-07-09

1980-10-14

Raymond, Richard

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260404, 260557R, 260558R, 260559R, 260561K, C07D30754, C07C103737, C07C10376

Patent

active

042280826

ABSTRACT:
Compounds are prepared of the formula ##STR1## where R' is a t-alkyl group having 4 to 18 carbon atoms, preferably t-butyl, t-amyl or t-octyl and R is a straight or branched chain alkyl group with 1 to 18 carbon atoms, preferably 1 to 10 carbon atoms or an alkyl group substituted with one or more phenyl group or a halogen atom, particularly a chlorine atom, or a cycloalkyl group with 3 to 8 carbon atoms, particularly cyclopropyl, which can be substituted by one or more 1 to 3 carbon atom alkyl groups or one or more halogen atoms, preferably chlorine, or phenyl or naphthyl or a five membered heterocyclic group or such phenyl, naphthyl or heterocyclic group substituted by halogen atoms, nitro groups, alkyl or alkoxy with 1 to 5 carbon atoms by condensing in acid medium an acyl cyanide of the formula

REFERENCES:
patent: 3897467 (1975-07-01), Anatol
patent: 4013706 (1977-03-01), Anatol et al.
patent: 4096184 (1978-06-01), Nakamura et al.
patent: 4161491 (1979-07-01), Kleemann et al.
Ugi et al., Chem. Ber., vol. 94, (1961), pp. 1116-1121.
Sjoberg, Acta Chemica Scand., vol. 22, (1968), pp. 1787-1790.

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