Titanocene(II)‐Promoted Cross‐Coupling of Unsaturated Compounds

Titanocene(II)‐Promoted Cross‐Coupling of Unsaturated Compounds
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二茂钛(II)促进的不饱和化合物的交叉偶联

DOI:
10.1002/ejoc.200500976
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发表时间:
2006
影响因子:
2.8
通讯作者:
T. Takeda*
T. Takeda*
中科院分区:
化学3区
文献类型:
--
作者:
Akitoshi Ogata;M. Nemoto;Koutaro Arai;Kenji Kobayashi;A. Tsubouchi;T. Takeda*

文献摘要

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在二茂钛(II)试剂Cp2Ti[P(OEt)3]2的存在下,乙烯基戊酸酯与非极性C≡C三键和极性C=O双键反应,分别生成共轭二烯和烯丙醇。当(Z)-烯基砜与炔和羰基化合物处理时,也会发生类似的烯基化。(©Wiley-VCH Verlag GmbH & Co. KGaA,德国Weinheim 69451, 2006)
Vinyl pivalate in the presence of the titanocene(II) reagent Cp2Ti[P(OEt)3]2 reacts both with nonpolar C≡C triple bonds and with polar C=O double bonds, to produce conjugated dienes and allylic alcohols, respectively. Similar alkenylation also takes place when (Z)-alkenyl sulfones are treated with alkynes and carbonyl compounds. (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2006)