Benzopyran derivatives and processes for preparation thereof

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Having -c- – wherein x is chalcogen – bonded directly to...

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Details

514385, 514456, 548193, 548300, 549404, C07D41704, C07D31168, A61K 31425, A61K 3135

Patent

active

051048906

ABSTRACT:
Benzopyrene derivatives effective for the treatment of hypertension have been prepared.

REFERENCES:
patent: 4849432 (1989-07-01), Shiokawa
patent: 5028711 (1991-07-01), Stenzel
Bergmann, J. Med. Chem 23 492 (1990).

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