1-hydroxy-oxo-5H-pyrido(3,2-a)phenoxazine-3-carboxylic acid este

Details 1-hydroxy-oxo-5H-pyrido(3,2-a)phenoxazine-3-carboxylic acid este 1-hydroxy-oxo-5H-pyrido(3,2-a)phenoxazine-3-carboxylic acid este

1987-06-30

1989-04-11

Raymond, Richard L.

Organic compounds -- part of the class 532-570 series

Organic compounds

Chalcogen in the nitrogen containing substituent

C07D49804

Patent

active

048208370

ABSTRACT:
The compounds represented by the general formula ##STR1## wherein R is an alkyl group having 1-10 carbon atoms are novel compounds which have not been reported in the literature. Since they have excellent affinities for tissues with particular high corneal permeability and show anticataract activity at low concentration, the compounds are of value as prophylactic and therapeutic agents for cataracts.

REFERENCES:
patent: 4092410 (1978-05-01), Ogata et al.
patent: 4233305 (1980-11-01), Allais et al.
patent: 4369184 (1983-01-01), Stokbroekx et al.

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