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80812-55-1

ETHYL 2-METHYL-5-OXO-5,6-DIHYDRO[1,6]NAPHTHYRIDINE-3-CARBOXYLATE synthesis

4synthesis methods
-

Yield:-

Steps:

Multi-step reaction with 2 steps
1: 50.7 percent / 1.) 140 deg C, 6 h; 2.) 4 deg C, 2 d;
2: 64.3 percent / 25 percent aq. ammonium hydroxide / ethanol / 36 h / Ambient temperature

References:

Balogh, Maria;Hermecz, Istvan;Naray-Szabo, Gabor;Simon, Kalman;Meszaros, Zoltan [Journal of the Chemical Society. Perkin transactions I,1986,p. 753 - 758]