期刊
POLYHEDRON
卷 58, 期 -, 页码 92-98出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.poly.2012.10.048
关键词
Main group compounds; X-ray crystallography; NMR; Synthesis; CS2; CO2
资金
- National Science Foundation [CHE-0911110]
- Sandia's Laboratory Directed Research and Development program [LDRD 151300]
- Sandia National Laboratory
- National Science Foundation CRIF:MU [CHE04-43580]
- NSF [CHE08-40523, CHE09-46690]
- U.S. Department of Energy's National Nuclear Security Administration [DE-AC04-94-AL85000]
- Direct For Mathematical & Physical Scien
- Division Of Chemistry [0911110] Funding Source: National Science Foundation
The reaction of (Me3Si)(i-Pr2P)NH with ZnEt2 gives the complex {[(Me3Si)(i-Pr2P)N]ZnEt}(2), which was characterized by multinuclear NMR spectroscopy and X-ray crystallography. This Zn complex reacts with CO2 to give an adduct with the proposed formula of [(Me3Si)N(i-Pr2PCO2)]ZnEt that undergoes further transformation into the crystallographically characterized di-adduct [(Me3Si)N(i-Pr2PCO2)](2)Zn, in addition to a Zn-6 cluster containing both P-CO2 adducts and fragments of the isocyanate i-Pr2P-N=C=O. These reaction pathways have been separately observed in related group 2 and group 14 complexes, but not previously within the same molecule. Reactions with the related heteroallene CS2 were also examined. The free ligand (Me3Si)(i-Pr2P)NH reacts with CS2 to form a bright red, crystalline adduct (Me-3 Si)[P(i-Pr)(2)(CS2)]NH. This adduct was treated with ZnEt2 to provide the same product that is obtained from the reaction of {[(Me3Si)(i-Pr2P)N]ZnEt}(2) with CS2, proposed to be a dithiocarbamate complex, with the CS2 bound to the N instead of the P atom. (C) 2012 Elsevier Ltd. All rights reserved.
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