A Novel and Efficient Synthesis of 3-[(4,5-Dihydro-1H-pyrrol-3-yl)carbonyl]-2H-chromen-2-ones (=3-[(4,5-Dihydro-1H-pyrrol-3-yl)carbonyl]-2H-1-benzopyran-2-ones)

Synthesis of 3-[(coumarinyl)carbonyl]-3a,8b-dihyroindeno[1,2-b]pyrrole-4(1H)-ones and their conversion to coumarin bearing spiro[isobenzofuran-1,2′-pyrrole] moiety compounds via oxidative cleavage reaction

The synthesis of substituted coumarin derivatives bearing indenopyrrole and spiro[isobenzofuran-1,2′-pyrrole] in a four-component sequential reaction and following oxidative cleavage reaction.