Five-Membered Dioxo Heterocycles: CIV. Reaction of Methyl 1-Aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole- 2-carboxylates with Cyclic Enehydrazines. Crystal and Molecular Structure of N-[3'-Benzoyl-1'-(4-chlorophenyl)-4'-hydroxy- 6,6-dimethyl-2,4,5'-trioxo-1' ,4,5,5',6,7-hexahy drospiro- [indole-3,2 '-pyrrol] -1 (2H)-yl] benzamide

摘要

Methyl 1-aryl-3-benzoyl-4,5-dioxo-4,5-dihydro-1H-pyrrole-2-carboxylates reacted with N-(5,5-di-methyl-3-oxocyclohex-1-en-1-yl)benzohydrazides and N'-(5,5-dimethyl-3-oxocyclohex-1 -en-1-yl)-2,2-di-phenylacetohydrazide to give substituted N-[1'-aryl-3'-benzoyl-4'-hydroxy-6,6-dimethyl-2,4,5'-trioxo- . 1',4,5,5',6,7-hexahydrospiro[indole-3,2'-pyrrol]-1(2H)-yl]benz- and-diphenylacetamides.