4-HYDROXY-2-QUINOLONES. 127. SIMPLE METHOD FOR EXCHANGING CHLORINE FOR HYDROXYL IN 1-R-4-CHLORO-3-ETHOXYCARBONYl-2-OXO-1,2-DIHYDROQUINOLINES
DOI:
https://doi.org/10.1007/7396Keywords:
4-chloro-2-oxo-1, 2-dihydroquinolines, nitrous acid esters, X-ray analysisAbstract
Treatment of ethyl 1-R-4-chloro-2-oxo-1,2-dihydroquinoline-3-carboxylates with sodium nitrite in DMSO is a convenient method for their conversion to the corresponding 4-hydroxy derivatives.How to Cite
Ukrainets, I. V.; Bereznyakova, N. L.; Shishkina, S. V. Chem. Heterocycl. Compd. 2007, 43, 1154. [Khim. Geterotsikl. Soedin. 2007, 1359.]
For this article in the English edition see DOI 10.1007/s10593-007-0177-8