14B(R) isomers of novel tetracyclic compounds having anti-allerg

Details 14B(R) isomers of novel tetracyclic compounds having anti-allerg 14B(R) isomers of novel tetracyclic compounds having anti-allerg

1994-02-16

1995-12-19

Datlow, Philip I.

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

540579, C07D48704, A61K 3155

Patent

active

054768489

ABSTRACT:
An optically active compound of formula (I): ##STR1## in which R.sup.3 represents groups of formula --A--COOR.sup.4, wherein

REFERENCES:
patent: 5344828 (1994-09-01), Sawanishi et al.
patent: 5362725 (1994-11-01), Fukumi et al.
Buroer, Medicanal Chemistry, 3rd ed (1970), pp. 81-82.

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