A CONVENIENT SYNTHESIS OF PYRIDOBENZOTHIAZINE DERIVATIVES VIA OXIDATIVE RING CLOSURE OF 3-SUBSTITUTED 6-AMINOPYRIDINES
3-Substituted pyridobenzothiazines were prepared either by heating the disulfide derivatives, which were obtained by a treatment of 3-substituted 6-aminopyridines with diethyl azodicarboxylate (DEAD) or NBS in DMF at room
Chern, Ji-Wang,Wu, Kuo-Rong
p. 461 - 470
(2007/10/02)
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