Synthesis and Catalysis of NHC Coordinated Cyclometalated Palladium(II) Complexes with Bridging Hydroxide Ligands

被引：7

作者：

Nakajima, Isami ^{[1
]}

Shimizu, Minori ^{[2
]}

Okuda, Yuta ^{[1
]}

Akiyama, Ryo ^{[1
]}

Tadano, Ryu ^{[1
,3
]}

Nagaoka, Masahiro ^{[3
]}

Uemura, Naohiro ^{[4
]}

Yoshida, Yasushi ^{[4
]}

Mino, Takashi ^{[4
]}

Shinozaki, Hiraku ^{[1
]}

Yamamoto, Tetsuya ^{[1
,2
]}

机构：

[1] Tokyo Denki Univ, Grad Sch Engn, Dept Mat Sci & Engn, Adachi Ku, 5 Senju Asahi Cho, Tokyo 1208551, Japan

[2] Tokyo Denki Univ, Dept Mat & Life Sci, 5 Senju Asahicho,Adachi ku, Tokyo 1208551, Japan

[3] Sagami Chem Res Inst, Organometall Chem Grp, Hayakawa 2743-1, Ayase, Kanagawa 2521193, Japan

[4] Chiba Univ, Grad Sch Engn, Dept Appl Chem & Biotechnol, Inage Ku, 1-33,Yayoi Cho, Chiba 2638522, Japan

来源：

ADVANCED SYNTHESIS & CATALYSIS | 2022年 / 364卷 / 10期

关键词：

1; 2-Addition; Benzylic Alcohols; N-Heterocyclic Carbene Ligands; Cyclometallated Complexes; Palladium; ARYLBORONIC ACIDS; CARBENE COMPLEXES; EFFICIENT; PALLADACYCLES; ARYLATION; ARYL; DERIVATIVES; ACTIVATION; ALCOHOLS; KETONES;

D O I：

10.1002/adsc.202200176

中图分类号：

O69 [应用化学];

学科分类号：

081704 ;

摘要：

1,2-Addition reactions using organoboron compounds are one of the useful syntheses of various functionalized alcohols, but they generally require a large quantity of bases. In this study, we attempted to solve this problem by synthesizing unsymmetrical 1,3-diarylimidazoline-type N-heterocyclic carbene (NHC)-coordinated C<^>C* cyclometalated palladium(II) complexes with bridging hydroxide ligands (CYPOHs) in two steps and one pot from the corresponding Cl bridged dimer and using them as catalysts. 2,6-di(pentan-3-yl)aniline (IPent)-based NHC coordinated PhS-IPent-CYPOH acted as a highly efficient catalyst for the 1,2-addition of (hetero)arylboronates to a large number of aldehydes and ketones, including unactivated ketones, under base-free conditions.

引用

页码：1763 / 1768

页数：6

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