One-pot catalytic asymmetric synthesis of pyranones.
One-pot catalytic asymmetric synthesis of pyranones.
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DOI:
10.1021/ol900905r
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发表时间:
2009-06-18
期刊:
影响因子:
5.2
通讯作者:
Walsh PJ
中科院分区:
文献类型:
--
作者:
Cheng K;Kelly AR;Kohn RA;Dweck JF;Walsh PJ
Enantioenriched pyranones are important intermediates in the synthesis of natural products and the generation of compound libraries. A one-pot method for their synthesis is outlined. Catalytic asymmetric alkylation of 2-furfurals in the presence of catalytic (−)-MIB generates enantioenriched furyl zinc alkoxides. Addition of water/THF followed by NBS results in formation of pyranones with ee’s >90% and yields between 46–77%.
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