Asymmetric synthesis of anti-aldol segments via a nonaldol route: synthetic applications to statines and (-)-tetrahydrolipstatin.

Asymmetric synthesis of anti-aldol segments via a nonaldol route: synthetic applications to statines and (-)-tetrahydrolipstatin.
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DOI:
10.1021/jo900642f
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发表时间:
2009-06-19
期刊:
The Journal of organic chemistry
影响因子:
--
通讯作者:
Kulkarni S
Kulkarni S
中科院分区:
其他
文献类型:
--
作者:
Ghosh AK;Shurrush K;Kulkarni S

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An asymmetric synthesis of anti-aldol segments via a nonaldol route is described. The strategy involves a highly diastereoselective synthesis of functionalized tetrahydrofuran derivatives from optically active 4-phenylbutyrolactone. Treatment of the tetrahydrofuran derivatives with a Lewis acid and acetic anhydride provided the corresponding ring-opened styrene derivatives. Oxidative cleavage of the styrene derivatives provided access to the anti-aldol segments. The utility of this methodology was demonstrated by the synthesis of statine derivatives and pancreatic lipase inhibitor, (—)-tetrahydrolipstatin.
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