Mono-acylated o-phenylendiamines derivatives

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

Reexamination Certificate

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C514S355000, C546S316000, C546S323000

Reexamination Certificate

active

07071219

ABSTRACT:
Mono-acylated o-phenylendiamines derivatives of formula Awherein Ar, R1, and R2are as described herein, have been found useful for the treatment of diseases mediated by the inhibition of histone deacetylase, such as cancer.

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