PREPARATION OF(-+)-1,2-DIHYDRO-3H-PYRROLO(1,2-A)PYRROLE 1,7-DICARBOXYLATES AND PREPARATION OF 5-AROYL-1,2-DIHYDRO-3H-PYRROLO(1,2-A)PYRROLE-1-CARBOXYLIC ACID DERIVATIVES THEREOF

摘要

2,3-Dihydro-1H-pyrrolo[1,2-a]pyrrole-1,7-dicarboxylates of the formula, ##STR1## in which each R is independently H or lower alkyl, are prepared from di(lower alkyl) 1,3-acetone-dicarboxylates.