Synthesis and Application of PN-Supported Mn(I) Carbonyl Alkyl Complexes

IF 2.5 3区化学 Q2 CHEMISTRY, INORGANIC & NUCLEAR

Organometallics Pub Date : 2025-04-30 DOI:10.1021/acs.organomet.5c0009510.1021/acs.organomet.5c00095

Claudia Rabijasz, Stefan Weber*, Berthold Stöger and Karl Kirchner*,

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引用次数: 0

Abstract

This work comprises the synthesis and characterization of aminophosphine (PN)-derived Mn(I) carbonyl complexes and the preliminary investigation of their alkylated congeners for catalytic applications. The complexes fac-[Mn(PN)(CO)₃Br] are obtained from the reaction of Mn(CO)₅Br with the bidentate ligand PN = R₂N(CH₂)₂PR′₂, where R = Me, Et, and pyrrolidine and R′ = Ph, iPr, and Cy. Treatment of fac-[Mn(PN)(CO)₃Br] with AgOTf yields fac-[Mn(PN)(CO)₃OTf]. Upon reaction of fac-[Mn(PN)(CO)₃OTf] with MeLi (R′ = alkyl) or MeMgCl (R′ = aryl), fac-[Mn(PN)(CO)₃Me] is formed. fac-[Mn(P^CyN^Me)(CO)₃Me] and fac-[Mn(P^PhN^Me)(CO)₃Me] are identified as the best catalysts for the dimerization of phenylacetylene and the hydroboration of 4-chlorostyrene, respectively.

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pn负载Mn(I)羰基烷基配合物的合成与应用

这项工作包括氨基膦（PN）衍生的Mn(I)羰基配合物的合成和表征，以及其催化应用的烷基化同源物的初步研究。由Mn(CO)5Br与双齿配体PN = R2N(CH2)2PR ' 2 （R = Me, Et, pyrolidine, R ' = Ph, iPr, Cy）反应得到了络合物face -[Mn(PN)(CO)3Br]。face -[Mn(PN)(CO)3Br]与AgOTf处理得face -[Mn(PN)(CO)3OTf]。fac-[Mn(PN)(CO)3OTf]与MeLi （R ' =烷基）或MeMgCl （R ' =芳基）反应生成fac-[Mn(PN)(CO)3Me]。结果表明，fac-[Mn(PPhNMe)(CO)3Me]和fac-[Mn(PPhNMe)(CO)3Me]是苯乙炔二聚化反应和4-氯苯乙烯硼化反应的最佳催化剂。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Organometallics 化学-无机化学与核化学

CiteScore

5.60

自引率

7.10%

发文量

382

审稿时长

1.7 months

期刊介绍： Organometallics is the flagship journal of organometallic chemistry and records progress in one of the most active fields of science, bridging organic and inorganic chemistry. The journal publishes Articles, Communications, Reviews, and Tutorials (instructional overviews) that depict research on the synthesis, structure, bonding, chemical reactivity, and reaction mechanisms for a variety of applications, including catalyst design and catalytic processes; main-group, transition-metal, and lanthanide and actinide metal chemistry; synthetic aspects of polymer science and materials science; and bioorganometallic chemistry.