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Australian Journal of Chemistry Australian Journal of Chemistry Society
An international journal for chemical science
RESEARCH ARTICLE

Oxidative Decarboxylation of Podocarpic Acid Derivatives

Richard C. Cambie, Perry K. Davy, Lorna H. Mitchell, Clifton E. F. Rickard and Peter S. Rutledge

Australian Journal of Chemistry 51(8) 653 - 660
Published: 1998

Abstract

The radical decarboxylation–sulfoxide cycloelimination of 2′-pyridylthio esters formed from a series of podocarpic acid derivatives gives Δ4(18) -alkenes in high yield. An exception is the 13-nitro acid (2) which affords a thiohydroxamic ester (28), the relative stability of which is attributed to inhibition of the radical chain reaction by the nitro group. The stereochemistry of the pyridyl sulfide (18) has been confirmed by X-ray crystallography.

https://doi.org/10.1071/C97213

© CSIRO 1998

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