5:6-Benzo .delta.-pyrone derivatives and process for their prepa

Details 5:6-Benzo .delta.-pyrone derivatives and process for their prepa 5:6-Benzo .delta.-pyrone derivatives and process for their prepa

1976-02-23

1977-12-27

Chan, Nicky

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

542459, 544111, 544124, 548335, 260250B, 260293, 260 58, 2602948, 260295F, 260308D, 26032685, 26032687, 260327A, 260327C, 2603322A, 2603403, 2603405, 424283, 424276, 424273, 424269, 542430, 542432, 542454, C07D31102, C07D24902, A61K 3135, A61K 3141

Patent

active

040654672

ABSTRACT:
Substituted 6-carboxy flavones are disclosed, such as, for instance, 6-carboxy-2'-isopropoxy-flavone. Such flavone derivatives possess anti-allergic activity, decrease airway resistance and increase pulmonary compliance. In addition, the compounds possess anti-ulcer activity.

REFERENCES:
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patent: 3816466 (1974-06-01), Strandtmann et al.
patent: 3825574 (1974-07-01), Brown
patent: 3882148 (1975-05-01), Augstein et al.
Shah et al., J. Am. Chem. Soc., 77, 2223, (1955).
Shah et al. (I), J. Chem. Soc., pp. 2663-2666, (1961).
Hsu et al., Chem. Abstract, 54, 4553g (1960).
Owada et al., Chem. Abstract, 78, 84197r, (1973).
Contessa et al., Chem. Abstract, 72, 98774q, (1970).

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