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Paper | Regular issue | Vol 26, No. 7, 1987, pp.1835-1839
Published online, 1st January, 1970
DOI: 10.3987/R-1987-07-1835
Studies in Spiroheterocycles: Part X: Reactions of Diazomethane with 3-Aroylmethylene-indole-2-ones and Synthesis of Some Novel Fluorine Containing Spiro[cyclopropane-1,3’(3H)indol]2’(1’H)-ones

Krishna C. Joshi, Renuka Jain, and Seema Arora

*Department of Chemistry, University of Rajasthan, Jaipur 302 004, India


Reaction of ethereal diazomethane with fluorinated 3-aroylmethylene-indol-2-ones has been investigated for the first time yielding spiro [cyclopropane-1,3’(3H)indol]-2’ (1’H)-ones. The structures of a l l compounds have been confirmed on the basis of elemental analysis, ir, 1H-nmr and mass fragmentation pattern.