Institute of Pharmacy, University of Hamburg, Bundesstrasse 45, 20146 Hamburg, Germany
Abstract:
The preparation of novel pyrido2,3-e]1,3]oxazines starting from 3-hydroxy-pyridine-2-carbonitrile, N-aralkoxy-3-hydroxy-pyridine-2-carboxamides and 3-hydroxy-pyridine-2-carboxylic acid hydrazides is described.