Reactions of ethyl 4??chloro??5??pyrimidinecarboxylates with 2??aminopyridine. Synthesis of 5H??pyrido [1, 2??A] pyrimido [5, 4??e] pyrimidin??5??ones and 5H??pyrido [1, 2??a …
DH Kim
文献索引:Journal of Heterocyclic Chemistry, , vol. 22, p. 173 - 176
... Previously, we reported the syntheses of a variety of novel nitrogen heterocycles starting with ethyl 2-substitu- ted-4-chloro-5 ... Heterocyclic Chem., 12, 311 (1975); [g] DH Kim and AA Santilli, 12, 477 (1975). ... [7] CM Gupta, AP Bhaduri and NM Khanna, Indian J. Chem., 6 758 (1968 ...