ChemInform Abstract: Synthesis of (Triphenylphosphoranylidene)spiro[cyclopentene-1,3′-indole]s by a Three-Component Reaction of Triphenylphosphine, Dialkyl Acetylenedicarboxylates, and 3-(Aroylmethylene)-1,3-dihydro-2H-indol-2-ones.

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