C - Chemistry – Metallurgy – 07 – D
Patent
C - Chemistry, Metallurgy
07
D
260/243.3
C07D 279/18 (2006.01) C07C 50/28 (2006.01)
Patent
CA 1238323
16909IA ABSTRACT OF THE DISCLOSURE The present invention relates to a process for preparing 3H-phenothiazin-3-one having the follow- ing formula: Image by the reaction of 1 mole of an aniline of the formula Image and 2 moles of a quinone of the formula Image in a suitable solvent.
465559
Goudreau Gage Dubuc
Merck Frosst Canada Inc.
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