Reactivity enhancement of a diphosphene by reversible N-heterocyclic carbene coordination

被引：28

作者：

Dhara, Debabrata ^{[1
]}

Kalita, Pankaj ^{[2
]}

Mondal, Subhadip ^{[1
]}

Narayanan, Ramakirushnan Suriya ^{[1
]}

Mote, Kaustubh R. ^{[1
]}

Huch, Volker ^{[3
]}

Zimmer, Michael ^{[3
]}

Yildiz, Cem B. ^{[4
]}

Scheschkewitz, David ^{[3
]}

Chandrasekhar, Vadapalli ^{[1
,5
]}

Jana, Anukul ^{[1
]}

机构：

[1] Tata Inst Fundamental Res Hyderabad, Hyderabad 500107, Telangana, India

[2] Natl Inst Sci Educ & Res, Sch Chem Sci, Bhubaneswar 752050, Odisha, India

[3] Saarland Univ, Krupp Chair Gen & Inorgan Chem, D-66123 Saarbrucken, Germany

[4] Univ Aksaray, Dept Med & Aromat Plants, Aksaray, Turkey

[5] Indian Inst Technol Kanpur, Dept Chem, Kanpur 208016, Uttar Pradesh, India

来源：

CHEMICAL SCIENCE | 2018年 / 9卷 / 18期

关键词：

MAIN-GROUP ELEMENTS; SUBSTITUTED DIPHOSPHENES; REDUCTIVE ELIMINATION; LIGAND; BOND; PHOSPHINIDENE; CARBON; ACTIVATION; COMPLEXES; HYDROGEN;

D O I：

10.1039/c8sc00348c

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

Diphosphene TerMesP = PTerMes (1; TerMes = 2,6-Mes2C6H3; Mes = 2,4,6-Me3C6H2) and NHCMe4 2 (NHCMe4 = 1,3,4,5-tetramethylimidazol-2-ylidene) exist in an equilibrium mixture with the NHCMe4-coordinated diphosphene 3. While uncoordinated 1 is inert to hydrolysis, the NHC adduct 3 readily undergoes hydrolysis to afford a phosphino-substituted phosphine oxide with the liberation of NHCMe4. On this basis, conditions suitable for the catalytic use of NHCMe4 were identified. Similarly, while the hydrogenation of free diphosphene 1 with H3N$ BH3 is very slow, 3 reacts instantaneously with H3N$ BH3 at room temperature to afford a dihydrodiphosphane.

引用

页码：4235 / 4243

页数：9

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