Abnormal N-heterocyclic carbene main group organometallic chemistry: a debut to the homogeneous catalysis

被引：38

作者：

Sen, Tamal K. ^{[1
]}

Sau, Samaresh Chandra ^{[1
]}

Mukherjee, Arup ^{[1
]}

Hota, Pradip Kumar ^{[1
]}

Mandal, Swadhin K. ^{[1
]}

Maity, Bholanath ^{[1
]}

Koley, Debasis ^{[1
]}

机构：

[1] Indian Inst Sci Educ & Res Kolkata, Dept Chem Sci, Mohanpur 741252, India

来源：

DALTON TRANSACTIONS | 2013年 / 42卷 / 39期

关键词：

RING-OPENING POLYMERIZATION; TRANSITION-METAL-COMPLEXES; IMIDAZOLIUM; LIGANDS; LACTIDE; APPROXIMATION; ACTIVATION; REACTIVITY; ZIRCONIUM; ENERGY;

D O I：

10.1039/c3dt51802g

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Abnormal N-heterocyclic carbene (aNHC) adducts of zinc(II) (1) and aluminum(III) (2) were synthesized. The compounds were characterized by NMR spectroscopy and elemental analysis. The solid state structures of these complexes (1 and 2) were determined by single crystal X-ray study. Furthermore, these organozinc and organoaluminum adducts (1 and 2) were tested for the ring opening polymerization of cyclic esters. These adducts were found to be quite efficient catalysts for the polymerization of cyclicesters such as rac-lactide (rac-LA), epsilon-caprolactone (epsilon-CL), and delta-valerolactone (delta-VL). Furthermore, aNHC zinc adduct has been used as catalyst for the synthesis of a tri-block copolymer.

引用

页码：14253 / 14260

页数：8

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