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Synthesis, characterization, and reactivity of a novel ruthenium carbonyl cluster containing tri-O-benzyl-D-glucal as a chiral carbohydrate ligand
被引：10
|作者：
Reddy, VD
[1
]
机构：
[1] CUNY, Kingsborough Coll, Dept Phys Sci, Brooklyn, NY 11235 USA
关键词：
tribenzyl glucal;
triruthenium dodecacarbonyl;
chiral ligand;
triphenylphosphine;
diphenylphosphinoethane;
variable temperature;
NMR spectra;
D O I：
10.1016/j.jorganchem.2005.08.018
中图分类号：
O61 [无机化学];
学科分类号：
070301 ;
081704 ;
摘要：
A chiral carbohydrate ligand 3,4,6-tri-O-benzyl-D-glucal (L) reacts with the cluster triruthenium dodecacarbonyl Ru-3(CO)(12) giving a novel chiral cluster Ru-3(mu-H)(2)(CO)(9)(L-2H) (I) that shows fluxional behavior at room temperature. The reaction of Ru-3(mu-H)(2)(CO)(9)(L-2H) (1) with triphenylphosphine and diphenylphosphinoethane (dppe) gives two new clusters Ru-3(mu-H)(2)(CO)(7)(L-2H)(PPh3)(2) (II) and Ru-3(mu-H)(2)(CO)(7)(L-2H)(dppe) (III). The new compounds I, II and III have been characterized by a combination of elemental analysis, mass spectrometry, infrared and variable temperature NMR spectroscopy. (c) 2005 Elsevier B.V. All rights reserved.
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页码：27 / 34
页数：8
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