Catalytic enantioselective Conia-ene reaction

Catalytic enantioselective Conia-ene reaction
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DOI:
10.1021/ja055059q
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发表时间:
2005-12-14
影响因子:
15
通讯作者:
Toste, FD
Toste, FD
中科院分区:
化学1区
文献类型:
--
作者:
Corkey, BK;Toste, FD

文献摘要

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本文报道了β-二羰基化合物与炔的分子内Conia-ene反应合成亚甲基环戊烷的反应。该反应采用DTBM Segment-Pd(II)/Yb(III)双催化剂体系,其允许全碳季中心的不对称合成,并产生含有可进一步操作的烯烃的产物。
An enantioselective intramolecular Conia-ene reaction of β-dicarbonyl compounds and alkynes to afford methylene cyclopentanes is described. The reaction employs a DTBMSegphos-Pd(II)/Yb(III) dual catalyst system that allows for the asymmetric synthesis of all-carbon quaternary centers and generates a product containing an alkene that can be further manipulated.