Process for preparing substituted anthra ¬1,9-...

Details Process for preparing substituted anthra ¬1,9-... Process for preparing substituted anthra ¬1,9-...

C - Chemistry, Metallurgy

07

D

260/236.16

C07D 231/54 (2006.01)

Patent

CA 1274513

ABSTRACT An improved process for producing anthra[1,9-cd]- pyrazol-6(2H)-ones from 1,4-dichloro-5,8-disubstituted 9,10-anthracenediones. The process produces higher yields by using a new combination of protecting groups on the compounds which allows for easier and cleaner chromatographic resolution. The compounds produced have antibacterial, antifungal, antileukemic, and antitumor activity.

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