Unexpected cis-selectivity in (Sylvestre) Julia olefinations with Bu3Sn-Containing allyl benzothiazolyl sulfones: Stereoselective synthesis of 1,3-butadienyl- and 1,3,5-hexatrienylstannanes

Unexpected cis-selectivity in (Sylvestre) Julia olefinations with Bu3Sn-Containing allyl benzothiazolyl sulfones: Stereoselective synthesis of 1,3-butadienyl- and 1,3,5-hexatrienylstannanes
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(Sylvestre) Julia 与含 Bu3Sn 的烯丙基苯并噻唑基砜的烯化反应具有意外的顺式选择性:1,3-丁二烯基锡烷和 1,3,5-六三烯基锡烷的立体选择性合成

DOI:
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发表时间:
2005
期刊:
影响因子:
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通讯作者:
R. Brückner
R. Brückner
中科院分区:
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文献类型:
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作者:
A. Sorg;R. Brückner

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Bu 3 Sn取代的苯并噻唑基砜1c、1d和If与多种醛进行Julia烯化反应。在 THF 中使用 KHMDS 作为碱,获得高达 97:3 的顺式选择性。
Bu 3 Sn-substituted benzothiazolyl sulfones 1c, 1d, and If were subjected to Julia olefination reactions with a variety of aldehydes. cis-Selectivities up to 97:3 were obtained by using KHMDS as base in THF.