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Electrosynthesis of 3-chloro-1,4-disubstituted-2(1H)-quinolinones and 3,3-dichloro-4-hydroxy-1,4-disubstituted-3,4-dihydro-2(1H)-quinolinones, as well as a new convenient process to dioxindoles
Batanero, Belen,Barba, Fructuoso
, p. 3706 - 3709 (2003)
Cathodic reduction of N-(2-acyl(or aroyl)phenyl)-2,2,2,-trichloro-N-alkylacetamide at - 1.2 V (vs SCE) under aprotic conditions yields 3-chloro-1,4-disubstituted-2(1H)-quinolinones (1) as the major product. When the reaction is carried out at -0.8 V (vs S
