Synthesis 2007(9): 1343-1348  
DOI: 10.1055/s-2007-966010
PAPER
© Georg Thieme Verlag Stuttgart · New York

Facile Stereoselective Synthesis of the C12-C24 Fragment of Macrolactin-A

Jhillu S. Yadav*, Manoj K. Gupta, I. Prathap
Division of Organic Chemistry, Indian Institute of Chemical Technology, Hyderabad 500 007, India
Fax: +91(40)27160512; e-Mail: yadavpub@iict.res.in;
Further Information

Publication History

Received 22 January 2007
Publication Date:
05 April 2007 (online)

Abstract

A simple and efficient stereoselective synthesis of the C12-C24 fragment of the natural product macrolactin-A was achieved from d-glucose as the starting material and with use of the Wittig and modified Julia olefination reactions as key steps.

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Propylene oxide 8a was obtained by a literature procedure [6] and is easily isolated from the more polar diol 8b by distillation (Scheme [4] ). Compound 8a: [α]D 25 +11.5 (neat) [Lit. [6] for S-isomer of 8a: [α]D 25 -11.7 (neat)].