期刊
TETRAHEDRON LETTERS
卷 51, 期 4, 页码 638-640出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2009.11.092
关键词
Metathesis; Ruthenium; Removal; Purification; Recovery
资金
- EPSRC
Ruthenium residues can be easily and rapidly removed from Grubbs metathesis products by washing with 15% aqueous hydrogen peroxide, which converts any ruthenium complexes into highly insoluble ruthenium dioxide, which then catalyzes the conversion of excess peroxide into water and oxygen. Ruthenium levels lower than 2 ppm can be routinely obtained; an additional advantage is that any phosphines are also rapidly oxidized to the corresponding, more polar phosphine oxides thereby facilitating their removal as well in many cases. (C) 2009 Elsevier Ltd. All rights reserved.
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