Cross-Couplings of Alkyl Electrophiles under 'Ligandless' Conditions: Negishi Reactions of Organozirconium Reagents

Sheryl L. Wiskur; Alexander Korte; Gregory C. Fu

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Cross-Couplings of Alkyl Electrophiles under 'Ligandless' Conditions: Negishi Reactions of Organozirconium Reagents

机译：“无配位”条件下烷基亲电试剂的交叉偶联：有机锆试剂的Negishi反应

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During the past few years, considerable effort has been devoted to expanding the scope of palladium- and nickel-catalyzed cross-coupling reactions so as to include unactivated, β-hydrogen-containing alkyl electrophiles as partners. For such processes, wheareas the composition of nickel-based catalysts has been diverse, with the exception of an early report by Suzuki describing the use of Pd(PPh_3)_4 for couplings of alkyl iodides with organoboranes, all effective palladium-based catalysts have employed very bulky, electron-rich ligands (i.e., trialkylphosphines, alkyldiaminophosphines, and carbenes).

机译：在过去的几年中，已经付出了相当大的努力来扩大钯和镍催化的交叉偶联反应的范围，以便包括未活化的，含β-氢的烷基亲电试剂。对于此类方法，除了基于铃木的早期报告描述了使用Pd（PPh_3）_4用于烷基碘化物与有机硼烷的偶联反应外，镍基催化剂的组成也存在差异，所有有效的钯基催化剂均已采用非常庞大的，富电子的配体（即三烷基膦，烷基二氨基膦和羧甲基）。

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来源
《Journal of the American Chemical Society》 |2004年第1期|p. 82-83|共2页
作者
Sheryl L. Wiskur; Alexander Korte; Gregory C. Fu;
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作者单位

Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139;

Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139;

Department of Chemistry, Massachusetts Institute of Technology, Cambridge, Massachusetts 02139;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类化学;
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机译：仲烷基亲电继发烷基金属亲核试剂的不对称催化的交叉偶联：用非手性试剂烷基锌外消旋苄型溴化物根岸反应
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机译：仲烷基亲电试剂与仲烷基金属亲核试剂的催化对映选择性交叉偶联：外消旋苯甲酰溴与非手性烷基锌试剂的Negishi反应

Cross-Couplings of Alkyl Electrophiles under 'Ligandless' Conditions: Negishi Reactions of Organozirconium Reagents

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