Synlett 2013; 24(13): 1623-1636
DOI: 10.1055/s-0033-1338855
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© Georg Thieme Verlag Stuttgart · New York

Total Syntheses of Natural Products Featuring Intramolecular O-Alkylations Involving Positions β to a Carbonyl Group as the Key Step

Yikang Wu*
State Key Laboratory of Bioorganic and Natural Products Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. of China   eMail: yikangwu@sioc.ac.cn
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Publikationsverlauf

Received: 18. März 2013

Accepted after revision: 19. April 2013

Publikationsdatum:
26. Juni 2013 (online)


Dedicated to my mentor Professor Per Ahlberg on the occasion of his 75th birthday

Abstract

Surveyed in this account are the syntheses of nocardiolactone, valilactone, nonactin, pamamycin 621A, and IKD-8344 performed by our group. The key step of these formations is intramolecular O-alkylation involving positions extremely liable to β-elimination under conventional alkylation conditions.

1 Introduction

2 Nocardiolactone

3 Valilactone

4 Nonactin

5 Pamamycin 621A

6 IKD-8344

7 Summary