由五氟丙酸酯直接合成五氟乙基铜作为一种经济的C 2 F 5来源:在芳基硼酸和芳基溴化物的五氟乙基化中的应用
摘要:
由铜酸盐试剂和作为最经济和最有用的五氟乙基源之一的五氟丙酸乙酯直接合成了五氟乙基铜(CuC 2 F 5)。这种方法的优点是:所有使用的试剂都是低成本且操作简单的,并且CuC 2 F 5试剂的制备实际上是定量的。此外,制得的CuC 2 F 5试剂已成功应用于芳基硼酸和芳基溴化物的五氟乙基化反应的两种类型,从而以良好至优异的产率提供了五氟乙基化的芳族产品,包括大规模操作。
Copper-Mediated Perfluoroalkylation of Heteroaryl Bromides with (phen)CuR<sub>F</sub>
作者:Michael G. Mormino、Patrick S. Fier、John F. Hartwig
DOI:10.1021/ol500422t
日期:2014.3.21
synthetic goal over the past several decades. Previously, our group reported phenanthroline-ligated perfluoroalkyl copperreagents, (phen)CuRF, which react with aryliodides and aryl boronates to form the corresponding benzotrifluorides. Herein the perfluoroalkylation of a series of heteroaryl bromides with (phen)CuCF3 and (phen)CuCF2CF3 is reported. The mild reaction conditions allow the process to tolerate
Copper-mediated pentafluoroethylation of organoboronates and terminal alkynes with TMSCF<sub>3</sub>
作者:Shitao Pan、Qiqiang Xie、Xiu Wang、Qian Wang、Chuanfa Ni、Jinbo Hu
DOI:10.1039/d2cc00975g
日期:——
The TMSCF3-derived CuCF2CF3 species has been successfully applied in pentafluoroethylation of organoboronates and terminal alkynes.
TMSCF3衍生的CuCF2CF3物种已成功应用于有机硼酸酯和末端炔烃的五氟乙基化反应。
Cupration of C<sub>2</sub>F<sub>5</sub>H: Isolation, Structure, and Synthetic Applications of [K(DMF)<sub>2</sub>][(<i>t</i>-BuO)Cu(C<sub>2</sub>F<sub>5</sub>)]. Highly Efficient Pentafluoroethylation of Unactivated Aryl Bromides
作者:Anton Lishchynskyi、Vladimir V. Grushin
DOI:10.1021/ja407017j
日期:2013.8.28
Pentafluoroethane, C2F5H (HFC-125), is smoothly cuprated with preisolated or in situ-generated [K(DMF)][(t-BuO)(2)Cu] to give [K(DMF)(2)][(t-BuO)Cu(C2F5)] (1) in nearly quantitative yield. Complex 1 has been isolated, structurally characterized, and demonstrated to be an exceedingly versatile pentafluoroethylating reagent for a variety of substrates, including unactivated aryl bromides.
Direct Synthesis of Pentafluoroethyl Copper from Pentafluoropropionate as an Economical C<sub>2</sub>F<sub>5</sub> Source: Application to Pentafluoroethylation of Arylboronic Acids and Aryl Bromides
作者:Hiroki Serizawa、Kohsuke Aikawa、Koichi Mikami
DOI:10.1021/ol501332g
日期:2014.7.3
synthesis of pentafluoroethyl copper (CuC2F5) from a cupratereagent and ethyl pentafluoropropionate as one of the most economical and useful pentafluoroethyl sources was accomplished. The advantages of this method are; all the reagents employed are low-cost and operationally simple, and the CuC2F5 reagent is prepared in virtually quantitative yield. Furthermore, the CuC2F5 reagent prepared was successfully
由铜酸盐试剂和作为最经济和最有用的五氟乙基源之一的五氟丙酸乙酯直接合成了五氟乙基铜(CuC 2 F 5)。这种方法的优点是:所有使用的试剂都是低成本且操作简单的,并且CuC 2 F 5试剂的制备实际上是定量的。此外,制得的CuC 2 F 5试剂已成功应用于芳基硼酸和芳基溴化物的五氟乙基化反应的两种类型,从而以良好至优异的产率提供了五氟乙基化的芳族产品,包括大规模操作。