Heterocyclic Compounds
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ChemInform Abstract: Nucleophilic Recyclization of a Pyrrolo(5,1-c)(1,4)benzoxazine-1,2,4- trione with Simultaneous Cleavage of the Oxazine and Pyrrole Ring.
First published: April 6, 1993
Abstract
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ChemInform Abstract
Reaction of the pyrrolobenzoxazinetrione (I) with o-phenylenediamine ( II) results in cleavage/recyclization to give the quinoxalinone (III) which is treated with benzylamine (IV), producing the quinoxalinone (V) and the oxamide (VI).
