3-Acyl-5-alkyl-2H-pyran-2,4,6-(3H,5H)-triones and their 4-hydrox

Details 3-Acyl-5-alkyl-2H-pyran-2,4,6-(3H,5H)-triones and their 4-hydrox 3-Acyl-5-alkyl-2H-pyran-2,4,6-(3H,5H)-triones and their 4-hydrox

1978-01-19

1979-05-08

Chan, Nicky

Drug, bio-affecting and body treating compositions

Nonspecific immunoeffector, per se ; or nonspecific...

Lipid or oil

2603459R, A61K 3135, C07D30922

Patent

active

041537203

ABSTRACT:
3-Acyl-5-alkyltetrahydro-2,4,6-pyrantriones are prepared by catalytic hydrogenation of their 3,5-diacyl congeners. They have been found to have anti-allergic activity useful for treating the symptoms of asthma.

REFERENCES:
patent: 4025614 (1977-05-01), Snader et al.
Kiang et al., J. Chem. Soc., 2721 (1971).

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