Synlett 2012; 23(19): 2840-2844
DOI: 10.1055/s-0032-1317484
letter
© Georg Thieme Verlag Stuttgart · New York

A Concise Total Synthesis of 2-epi-(–)-Pachastrissamine via a Three-Component Tandem Cross-Metathesis–Intramolecular SN2′ Substitution–Cross-Metathesis Sequence

Dongjoo Lee*
Department of Pharmacology, College of Medicine, Dankook University, San 29, Anseo-dong, Dongnam-gu, Cheonan-si, Chungnam 330-714, Republic of Korea   Fax: +82(41)5597899   Email: drlee21@dankook.ac.kr
› Author Affiliations
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Publication History

Received: 13 August 2012

Accepted after revision: 25 September 2012

Publication Date:
23 October 2012 (online)


Abstract

A highly concise and efficient total synthesis of 2-epi-(–)-pachastrissamine is described utilizing a three-component tandem cross-metathesis–intramolecular SN2′ substitution–cross-metathesis from the readily available alcohol (+)-8, wherein the substituted tetrahydrofuran formation and alkyl-chain extension are both accomplished in a one-pot manner. This route allows for direct access to pachastrissamines and their synthetic analogues at C(2).

Supporting Information