Chemistry of Heterocyclic Compounds p. 1050 - 1052 (1983)
Update date:2022-08-03
Topics:
Marchenko, N. B.
Granik, V. G.
A pyrano<2,3-b>quinoline derivatives was obtained by the reaction of O-ethylvalerolactonium tetrafluoroborate with ethyl anthranilate and subsequent cyclization of the intermediate imido ester.A number of derivatives of pyrano<2,3-c>pyridine and pyrano<2,3-d>pyrimidine derivatives were synthesized on the basis of valerolactone diethylacetal and α-dimethylaminomethylenevalerolactone diethylacetal.
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(2021)Doi:10.1134/S0012500813010096
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