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Scientific article
English

Preparation of a Key Intermediate for the Synthesis of the (±)-Pentalenolactone E Methyl Ester by Catalytic 'Palladium-Ene Cyclization'/Methoxycarbonylation

Published inHelvetica Chimica Acta, vol. 74, no. 3, p. 465-468
Publication date1991
Abstract

Bicyclic alcohol (±)-2, an advanced intermediate for the synthesis of the methyl ester 1 of pentalenolactone E, has been synthesized in nine operations starting from aldehyde 7. The key step 6 → 9 is a Pd-catalyzed, tandem intramolecular alkyne allylation/carbonylation reaction.

Citation (ISO format)
VON OPPOLZER, Wolfgang, XU, Jin-Zhu, STONE, Charles. Preparation of a Key Intermediate for the Synthesis of the (±)-Pentalenolactone E Methyl Ester by Catalytic “Palladium-Ene Cyclization”/Methoxycarbonylation. In: Helvetica Chimica Acta, 1991, vol. 74, n° 3, p. 465–468. doi: 10.1002/hlca.19910740302
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ISSN of the journal0018-019X
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