An enantiospecific approach to the 5-8-5 tricyclic system of basmanes

Srikrishna, A. ; Nagaraju, Gopalasetty ; Ravi, G. (2010) An enantiospecific approach to the 5-8-5 tricyclic system of basmanes Synlett (20). pp. 3015-3018. ISSN 0936-5214

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Official URL: http://www.thieme-connect.com/ejournals/abstract/s...

Related URL: http://dx.doi.org/10.1055/s-0030-1259073

Abstract

An enantiospecific synthesis of the 5-8-5 tricyclic ring system present in the basmane diterpenes has been accomplished, starting from ethyl 3-isopropyl-2-methylene-1-methylcyclopentane­acetate [readily available in five steps from (R)-limonene] employing an RCM reaction for the annulation of cyclooctane and an intramolecular rhodium carbenoid CH insertion reaction for the construction of the cyclopentane ring.

Item Type:Article
Source:Copyright of this article belongs to Thieme Medical Publishers.
Keywords:Basmanes; Fusicoccanes; Enantiospecific Synthesis; Metathesis; Rhodium Carbenoid CH Insertion
ID Code:48823
Deposited On:15 Jul 2011 12:32
Last Modified:15 Jul 2011 12:32

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