Eleuthesides and their analogs: XII. Alternative intramolecular ketalization with the formation of eunicellane tricyclic structure


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Abstract

Removal of the acetonide protection in the synthesis of 7,8-epimer of eleutheside is accompanied by intramolecular cyclization with the formation of 15-oxatricyclo[9.3.1.03,8]pentadeca-5,9,12-triene tricyclic system.

About the authors

B. T. Sharipov

Ufa Institute of Chemistry

Author for correspondence.
Email: sinvmet@anrb.ru
Russian Federation, pr. Oktyabrya 71, Ufa, 450054 Bashkortostan

A. A. Pershin

Ufa Institute of Chemistry

Email: sinvmet@anrb.ru
Russian Federation, pr. Oktyabrya 71, Ufa, 450054 Bashkortostan

Sh. M. Salikhov

Ufa Institute of Chemistry

Email: sinvmet@anrb.ru
Russian Federation, pr. Oktyabrya 71, Ufa, 450054 Bashkortostan

F. A. Valeev

Ufa Institute of Chemistry

Email: sinvmet@anrb.ru
Russian Federation, pr. Oktyabrya 71, Ufa, 450054 Bashkortostan

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