Substituted 2H-pyran-2,6(3H)-dione derivatives

Details Substituted 2H-pyran-2,6(3H)-dione derivatives Substituted 2H-pyran-2,6(3H)-dione derivatives

1977-07-05

1978-11-28

Chan, Nicky

Drug, bio-affecting and body treating compositions

Effervescent or pressurized fluid containing

Organic pressurized fluid

424283, 2603435, 2603457R, 2603459R, A61L 904, A61K 3135, C07D30922, C07D30930

Patent

active

041276469

ABSTRACT:
Substituted 2H-pyran-2,6(3H)-dione derivatives useful in the treatment of allergic conditions are prepared by reaction of 3,5-diacetyl-4,6-dihydroxy-2H-pyran-2-one with an appropriate aniline.

REFERENCES:
patent: 4032652 (1977-06-01), Chakrin et al.

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