98412-09-0Relevant articles and documents
CHEMISTRY OF HETEROCYCLIC QUINONE IMINES. 7. FORMATION OF O- AND C-DERIVATIVES IN THE REACTION OF PHENOTHIAZINONE-3 WITH PHENOLATES
Vysokov, V. I.,Afanas'eva, G. B.,Chupakhin, O. N.,Klyuev, N. A.
, p. 629 - 632 (2007/10/02)
With an activated reagent, the reaction of phenothiazinone-3 with phenol and m-cresol gives, besides 2-aroxy derivatives, also the products of C-substitution, viz., 2-hydroxyarylphenothiazinones-3.