Pyranone carboxamides

Details Pyranone carboxamides Pyranone carboxamides

1976-06-25

1977-11-29

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260307H, 260559A, 260561A, 424283, C07D30922, A61K 3135

Patent

active

040605337

ABSTRACT:
Pyranone carboxamides, e.g., 2,6-diphenyl-N-methyl-4-oxo-4H-pyran-3-carboxamide, are prepared by cyclizing and dehydrogenating 2-aminomethylene-5-hydroxy-N-methyl-3-oxo-alkylamides and are useful as anti-allergic agents.

REFERENCES:
kato et al., Yakugaku Zasshi, 89, 1477 (1969).
Mallams; J., Org. Chem., 29, 3555 (1964).

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