7-Substituted-9-oxoxanthene-2-carboxaldehydes

Details 7-Substituted-9-oxoxanthene-2-carboxaldehydes 7-Substituted-9-oxoxanthene-2-carboxaldehydes

1976-03-16

1977-02-08

Milestone, Norma S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

424283, C07D31186

Patent

active

040072053

ABSTRACT:
There are disclosed 7-substituted-9-oxoxanthene-2-carboxaldehydes of the formula: ##STR1## in which R is lower alkoxy or hydroxy. These compounds are indicated in the management of allergic manifestations such as, for example, bronchial asthma or hay fever.

REFERENCES:
patent: 3706768 (1972-12-01), Bays
patent: 3948949 (1976-04-01), Gante et al.
Chemical Abstracts, vol. 51, 12891b.

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