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Communication | Regular issue | Vol 3, No. 9, 1975, pp.691-695
Published online, 1st January, 1970
DOI: 10.3987/R-1975-09-0691
A Facile Synthesis of 2,3-Dihydro-1H-pyrrolo[1,2-a]indoles

Tetsuji Kametani,* Kimio Takahashi, Masataka Ihara, and Keiichiro Fukumoto

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan


Cyclisation of α-(2-bromophenyl)-δ2,α-pyrrolidineacetonitriles (4 and 13) with sodium hydride and cuprous bromide in dimethylformamide gave quantitatively the corresponding pyrrolo[l,2-a]indoles (5 and 14), which were converted into the aldehydes (6 and 15).