A Novel Entry into a New Class of Dispiroheterocycles Through Azomethine Ylides Involving Unusual Dipolarophiles

Jayadevan Jayashankaran Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai, India

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

R. Raghunathan Department of Organic Chemistry, University of Madras, Guindy Campus, Chennai, IndiaCorrespondence[email protected]

Abstract

The cycloaddition reaction of azomethine ylides towards (E)-3-arylidene-4-chromanone as new dipolarophile has been investigated. High degree of regioselectivity has been observed in the synthesis of a new class of functionalized dispiroheterocyclic pyrrolidines bearing chromanone and acenaphthenequinone framework.

Acknowledgment

Financial assistance from UGC, New Delhi is gratefully acknowledged.

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A Novel Entry into a New Class of Dispiroheterocycles Through Azomethine Ylides Involving Unusual Dipolarophiles

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A Novel Entry into a New Class of Dispiroheterocycles Through Azomethine Ylides Involving Unusual Dipolarophiles

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