Synthesis of pyrido[2,3-d]pyrimidine (5-
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Isamu Maeba; Yasufumi Nishiyama; Masakazu Wakimura; Takayasu Tabata
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Article
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1996
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Elsevier Science
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English
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Increasing research has focused on examining the similarity between pyridopyrimidines and pyrimido [2,3-d]pyrazines, also referred to as pteridines [1]. Significant antitumor activity against Walker muscular carcinosarcoma in rats has been demonstrated for 4-oxopyrido [2,3-d]pyrimidine (A) and 2,4-d