118081-86-0Relevant articles and documents
FIVE-MEMBERED 2,3-DIOXOHETEROCYCLES XX. SYNTHESIS AND PROPERTIES OF 1,5-DIARYL-4-BROMO-3-HYDROXY-2,5-DIHYDROPYRROL-2-ONES
Gein, V. L.,Ivanenko, O. I.,Maslivets, A. N.,Andreichikov, Yu. S.
, p. 2279 - 2284 (2007/10/02)
1,5-Diaryl-4-bromo-3-hydroxy-2,5-dihydropyrrol-2-ones were obtained by the bromination of 1,5-diaryltetrahydropyrrole-2,3-diones.They react with amines to form 3-amino-1,5-diaryl-4-bromo-2,5-dihydropyrrol-2-ones and with diazoalkanes to form 3-alkoxy-1,5-
CHEMISTRY OF OXALYL DERIVATIVES OF METHYL KETONES XLVII. REACTION OF N-ARYLAROYLPYRUVAMIDES WITH DIPHENYLDIAZOMETHANE
Brigadnova, E. V.,Maslivets, A. M.,Andreichikov, Yu. S.
, p. 274 - 277 (2007/10/02)
N-Aryl-4-aryl-3-diphenylmethyl-2,4-dioxobutyramides were obtained from N-arylaroylpyruvamides and diphenyldiazomethane.At 110 deg C in toluene they were converted into N-aryl-3-aryl-2-diphenylmethyl-3-oxopropionamides.By boiling in acetic acid they were converted into 1,5-diaryl-4-diphenylmethyl-2,3-dihydro-2,3-pyrrolediones.