Synthesis of enantioenriched homopropargylic sulfonamides by a three component reaction of aldehydes, sulfonamides, and chiral allenylsilanes.

Synthesis of enantioenriched homopropargylic sulfonamides by a three component reaction of aldehydes, sulfonamides, and chiral allenylsilanes.
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DOI:
10.1021/ol901692n
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发表时间:
2009-10-01
期刊:
影响因子:
5.2
通讯作者:
Panek JS
Panek JS
中科院分区:
化学1区
文献类型:
--
作者:
Brawn RA;Panek JS

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Enantioenriched allenylsilanes are used as carbon nucleophiles in three component reactions with in situ generated N-sulfonylimines to selectively form syn-homopropargylic sulfonamides. The reactions proceed with a variety of aldehyde and sulfonamide reaction partners. These novel reaction products are obtained with useful levels of diastereoselectivity, and the axial chirality of the allenylsilane is fully transferred to point chirality, forming products with >97% ee.
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