Unusual access to 5-methoxy or 5,5-dimethoxy-4-methyl-3-pyrrolin-2-ones from chlorinated 4-methyl-pyrrolidin-2-ones
作者:Franco Bellesia、Laurent De Buyck、Maria V. Colucci、Franco Ghelfi、Inge Laureyn、Emanuela Libertini、Adele Mucci、Ugo M. Pagnoni、Adriano Pinetti、Tina M. Rogge、Christian V. Stevens
DOI:10.1016/s0040-4039(01)00792-4
日期:2001.7
The reaction of N-substituted 4-methyl-2-pyrrolidinones, carrying not less than two chlorine atoms on the C(3) and C(6) carbons afforded with alkaline methoxide in methanol, under mild conditions, the corresponding 5-methoxy or 5,5-dimethoxy-4-methyl-3-pyrrolin-2-ones in satisfactory yields. (C) 2001 Elsevier Science Ltd. All rights reserved.