Stereocontrolled 1,3-phosphatyloxy and 1,3-halogen migration relay toward highly functionalized 1,3-dienes.

Stereocontrolled 1,3-phosphatyloxy and 1,3-halogen migration relay toward highly functionalized 1,3-dienes.
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DOI:
10.1021/ja301243t
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发表时间:
2012-04-25
影响因子:
15
通讯作者:
Gevorgyan, Vladimir
Gevorgyan, Vladimir
中科院分区:
化学1区
文献类型:
--
作者:
Shiroodi, Roohollah Kazem;Dudnik, Alexander S.;Gevorgyan, Vladimir

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A double migratory cascade reaction of α-halogen-substituted propargylic phosphates to produce highly functionalized 1,3-dienes has been developed. This transformation features 1,3-phosphatyloxy group migration followed by 1,3-shifts of bromine and chlorine, as well as unprecedented 1,3-migration of iodine atom. The reaction is stereodivergent; (Z)-1,3-dienes are formed in the presence of copper catalyst, whereas gold-catalyzed reactions invert the stereoselectivity producing the corresponding E products.
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