Synlett 2006(1): 0023-0032  
DOI: 10.1055/s-2005-921930
ACCOUNT
© Georg Thieme Verlag Stuttgart · New York

The Ever-Challenging Quassinoids

Claude Spino*
Département de Chimie, Université de Sherbrooke, 2500 Boul. Université, Sherbrooke, QC, J1K 2R1, Canada
Fax: +1(819)8218017; e-Mail: Claude.Spino@USherbrooke.ca;
Further Information

Publication History

Received 23 August 2005
Publication Date:
16 December 2005 (online)

Abstract

The evolution of a synthetic approach to the challenging targets quassinoids is described.

1 Introduction

2 The Diels-Alder Reaction as a Key Feature

2.1 Intermolecular Diels-Alder

2.2 Intramolecular Diels-Alder

2.3 Unsuccessful Diels-Alder Cycloadditions

3 The Diene-Transmissive Approach to Quassinoids

3.1 Without the C10 Methyl Group

3.2 With the C10 Methyl Group

4 A Successful Sequence

5 Conclusion and Outlook