Journal of Chemical and Pharmaceutical Research (ISSN : 0975-7384)

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Original Articles: 2013 Vol: 5 Issue: 6

Comparative studies for the cyclisation reactions of 2-alkynylaniline derivatives to generate the indole ring systems on polystyrene solid supports


Generation of indole ring systems based on cyclisation of 2-alkynylaniline moieties on solid supports have been investigated. The cyclisation reactions were studied in 3 different conditions: (i) iodonium-mediated cyclisation (iodo-cyclisation) (ii) base-promoted cyclisation, and (iii) palladium (II)-mediated cyclisation. Only the latter with palladium dichloride gave satisfactory results on polystyrene resin solid supports.

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