Synthesis of the C1-C13 Tetraenoate Subunit of the Chivosazoles

被引:32
|
作者
Paterson, Ian [1 ]
Kan, S. B. Jennifer [1 ]
Gibson, Lisa J. [1 ]
机构
[1] Univ Chem Lab, Cambridge CB2 1EW, England
基金
英国工程与自然科学研究理事会;
关键词
CROSS-COUPLING REACTIONS; SORANGIUM-CELLULOSUM; STEREOSELECTIVE HYDROGENOLYSIS; GLIDING BACTERIA; MYXOBACTERIA; 1,1-DIBROMO-1-ALKENES; CONFIGURATION; ANTIBIOTICS; PALMEROLIDE; MACROLIDES;
D O I
10.1021/ol101630p
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
Using a combination of asymmetric vinylogous Mukaiyama aldol and Stifle cross-coupling reactions, an advanced polyene fragment of the chivosazoles was prepared in a highly stereocontrolled manner. This key C1-C13 pentaene subunit, featuring the conjugated (2E,4Z,6E,8Z)-tetraenoate motif and anti-configured C10 and C11 stereocenters of the chivosazoles, terminates in a (Z)-vinyl bromide for the planned cross-coupling to a northern hemisphere fragment.
引用
收藏
页码:3724 / 3727
页数:4
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