10,11-methanodibenzosuberane derivatives

Details 10,11-methanodibenzosuberane derivatives 10,11-methanodibenzosuberane derivatives

1997-02-03

1999-02-23

Siegel, Alan

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

A61K 3150

Patent

active

058744347

ABSTRACT:
10,11-Methanodibenzosuberane derivatives, i.e., the compounds of Formula I: ##STR1## wherein: A is --CH.sub.2 --CH.sub.2 --, --CH.sub.2 --CHR.sup.a --CH.sub.2 --, or --CH.sub.2 --CHR.sup.a --CHR.sup.b --CH.sub.2 --, where one of R.sup.a or R.sup.b is H, OH, or lower acyloxy, and the other is H;
R.sup.1 is H, F, Cl or Br;
R.sup.2 is H, F, Cl or Br; and
R.sup.3 is heteroaryl or phenyl optionally substuted with F, Cl, Br, CF.sub.3, CN, NO.sub.2 or OCHF.sub.2 ;
and the pharmaceutically acceptable salts thereof, are useful chemosensitizing agents, e.g., for cancer chemotherapy, particularly for treating multidrug resistance.

REFERENCES:
patent: 5643909 (1997-07-01), Pfister et al.

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