A FORMAL [3 + 2] CYCLOADDITION STRATEGY FOR THE SYNTHESIS OF UNIQUE CLASS OF DISPIROHETEROCYCLES

S. Manikandan Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai, 600 025, India

M. Mohamed Ashraf Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai, 600 025, India

R. Raghunathan Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai, 600 025, India

Abstract

Novel dispiropyrrolidines and dispiropyrrazolidines have been prepared in good yields using highly regioselective cycloaddition reaction of azomethine ylides with diversely substituted (E)-3-arylidene-chroman-4-ones.

ACKNOWLEDGMENTS

SM thanks Council of Scientific and Industrial Research (CSIR), New Delhi for the award of Senior Research Fellowship. Financial support from CSIR and UGC, New Delhi is gratefully acknowledged.

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A FORMAL [3 + 2] CYCLOADDITION STRATEGY FOR THE SYNTHESIS OF UNIQUE CLASS OF DISPIROHETEROCYCLES

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A FORMAL [3 + 2] CYCLOADDITION STRATEGY FOR THE SYNTHESIS OF UNIQUE CLASS OF DISPIROHETEROCYCLES

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ACKNOWLEDGMENTS

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