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Letters in Organic Chemistry

Author(s): Thomas Kurz and Miriam K. Pein

DOI: 10.2174/157017808785982239

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Microwave-Assisted Synthesis of 3-substituted 2-iminopyrido[2,3-e][1,3] oxazin-4-ones

Page: [599 - 601] Pages: 3

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Abstract

The rapid microwave-assisted preparation of 3-substituted 2-imino-pyrido[2,3-e][1,3]oxazin-4-ones starting from N-aralkoxy-3-hydroxy-pyridine-2-carboxamides, 3-hydroxy-pyridine-2-carboxamides or 3-hydroxy-pyridine-2- carboxylic acid hydrazides and cyanogen bromide is described.

Keywords: Microwave-assisted synthesis, 2-imino-pyrido[2,3-e][1,3]oxazin-4-ones, cyanogen bromide, 3-hydroxy-picolinic acid derivatives