Journal of Heterocyclic Chemistry p. 1805 - 1808 (1997)
Update date:2022-08-05
Topics:
Dave, Chaitanya G.
Shukla, Manish C.
Diethyl ethoxymethylenemalonate was used for the novel synthesis of the triheterocyclic 3-carbethoxy-9,11-disubstituted-4-oxo-4H-pyrido[3,2-e]pyrimido[1,2-c]pyrimidines from 4-aminopyrido[2,3-d]pyrim-idines via thermal cyclization of the intermediate ethy
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