期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 9, 期 20, 页码 6988-6997出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c1ob05787a
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资金
- DST
- CSIR, New Delhi
- IIT Bombay
- SAIF, IIT Bombay
A simple, efficient and flexible strategy for the syntheses of cladospolides A-C and iso-cladospolide B is reported here. This strategy involves Julia-Kocienski olefination and Yamaguchi macrolactonization as key steps, starting from either D-ribose or suitable tartaric acid esters. Although our initial efforts towards cladospolide A involving a ring closing metathetic approach were not successful, changing the mode of ring closure and the use of Julia-Kocienski olefination for the construction of the key intermediate solved this issue and paved the way for the completion of total syntheses of this class of natural products.
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