Chemistry of the podocarpaceae. XXVI. ring-c modification of 12-hydroxypodocarpa-8, 11, 13-trien-19-oic acid

Cambie, R. C.; Denny, W. A.; Klose, T. R.; Mander, L. N.

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Chemistry of the podocarpaceae. XXVI. ring-c modification of 12-hydroxypodocarpa-8, 11, 13-trien-19-oic acid

Date

1971

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Abstract

Methods for the conversion of 12-hydroxypodocarpa-8, 11, 13-trien-19-oic acid (1) into the α,β-unsaturated ketones (6) and (7) have been investigated. Lithium in liquid ammonia reduction of the ester (19) and the hydroxy acid (24) with concomitant decarboxylation gives moderate yields of the desired products. The ketone (7) has also been prepared in improved yield by a modification of Bible and Burtner’s method involving the intermediates (9), (35), (12), (16), (17), and (18).

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https://dspace-test.anu.edu.au/handle/1885/733734126

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DevOps Pure Testing

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Australian Journal of Chemistry

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Article

DOI

10.1071/CH9710099

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Chemistry of the podocarpaceae. XXVI. ring-c modification of 12-hydroxypodocarpa-8, 11, 13-trien-19-oic acid

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