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Synthesis of 5,8-dihydro-5-oxo-2-(3- or 4-pyridinyl)-pyrido[2,3-d]pyrimidine-6-carboxylic acids and the reinvestigation of the thermal cyclization of diethyl (2-hydroxy-4-pyrimidinyl)amino-methylenemalonate
Baldev Singh, George Y. LesherVolume:
19
Year:
1982
Pages:
2
DOI:
10.1002/jhet.5570190671
File:
PDF, 159 KB
1982