Efficient removal of ruthenium byproducts from olefin metathesis products by simple aqueous extraction

Organic Letters

Volumn 9, Issue 10, 2007, Pages 1955-1957

  Hong, Soon Hyeok ^a   Grubbs, Robert H ^a  

^a California Institute of Technology   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALKENE; DIETHYL DIALLYLMALONATE; MALONIC ACID DERIVATIVE; RUTHENIUM DERIVATIVE; UNCLASSIFIED DRUG;

ARTICLE; CATALYSIS; CHEMICAL STRUCTURE; CHEMISTRY; CYCLIZATION; ISOLATION AND PURIFICATION;

ALKENES; CATALYSIS; CYCLIZATION; MALONATES; MOLECULAR STRUCTURE; RUTHENIUM COMPOUNDS;

EID: 34249281622     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol070512j     Document Type: Article

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22. 4, and concentrated. Approximately 20∼30 mg of the resulting clear oil was accurately weighed by a microbalance and digested with concentrated nitric acid overnight for ICP-MS analysis. For activated carbon purification, the activated carbon (1.3 wt equiv of the crude product 6) was added to the diethyl ether solution after the extraction and stirred for 24 h. After the carbon was filtered, the filtrate was concentrated in vacuo to provide 6 as clear oil. THMP and DMSO methods were carried out following the literature procedures except avoiding silica gel treatment or column chromatography.
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