Bioinspired Total Synthesis and Stereochemical Revision of the Fungal Metabolite Pestalospirane B

被引:10
作者
Badrinarayanan, Sandhya [1 ]
Squire, Christopher J. [2 ]
Sperry, Jonathan [1 ]
Brimble, Margaret A. [1 ,2 ,3 ]
机构
[1] Univ Auckland, Sch Chem Sci, 23 Symonds St, Auckland, New Zealand
[2] Univ Auckland, Sch Biol Sci, 3A Symonds St, Auckland, New Zealand
[3] Maurice Wilkins Ctr Mol Biodiscovery, 3 Symonds St, Auckland, New Zealand
关键词
HPLC-SPE-NMR; DERIVATIVES; REDUCTION; EFFICIENT;
D O I
10.1021/acs.orglett.7b01371
中图分类号
O62 [有机化学];
学科分类号
070303 ; 081704 ;
摘要
The total synthesis of both enantiomers of pestalospirane B, 2, has been achieved using a bioinspired tandem dimerization-spiroketalization reaction. Electronic circular dichroism (ECD) and X-ray analysis were used to revise the absolute stereochemistry of the natural product pestalospirane B from 3S, 3'S, 12R, 12'R to its enantiomer 3R, 3'R, 12S, 12'S.
引用
收藏
页码:3414 / 3417
页数:4
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