Benzopyran derivatives and their use

Details Benzopyran derivatives and their use Benzopyran derivatives and their use

1996-08-30

1998-04-21

Chan, Nicky

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Phosphorus containing other than solely as part of an...

514 81, 514 82, 514 85, 514 86, 514 89, 514 90, 514 91, 514 92, 514 93, 514 94, 514 95, 514100, A61K 31665, A61K 31675

Patent

active

057417849

ABSTRACT:
This invention relates to a compound represented by the formula: ##STR1## wherein B represents a hydrogen atom or a lower alkyl group; ring A represents a benzene ring which may have one or more substituents; ....... represents a single or double bond; Q.sub.1 represents the group represented by the formula, ##STR2## ,or a hydrocarbon residue substituted with the group represented by the formula, ##STR3## wherein X represents a bond or a spacer having a chain length of 1 to 4 atoms as the linear moiety which may have one or more side chains; R.sup.1 and R.sup.2, whether identical or not, independently represent a hydrogen atom or a lower alkyl, or may bind together to form a ring; Q.sub.2 represents a hydrogen atom, a hydrocarbon residue which may be substituted or a heterocyclic ring residue which may be substituted; or a salt thereof.

REFERENCES:
Martindale, The Extra Pharmacopoeia, 30th Ed., p. 1379-3.

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