Active manganese dioxide promoted cyclization of ortho-(1H-pyrrol-1-yl) aryl and heteroaryl carboxylic acids to 5H-pyrrolo [1, 2-a][3, 1] benzoxazin-5-one derivatives

F Grande, A Brizzi, A Garofalo, F Aiello

Index: Tetrahedron, , vol. 69, # 47 p. 9951 - 9956

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Abstract

... Tetrahedron. Volume 69, Issue 47, 25 November 2013, Pages 9951–9956. Cover image Cover image. Active manganese dioxide promoted cyclization of ortho-(1H-pyrrol-1-yl)aryl and heteroaryl carboxylic acids to 5H-pyrrolo[1,2-a][3,1]benzoxazin-5-one derivatives. ...