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Search results for: sharpless dihydroxylation

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... Construction of Arrays of Stereogenic Centers The Sharpless osmium-catalyzed asymmetric dihydroxylation is widely used. ... Que, Jr. of the University of Minnesota designed (Angew. Chem. ...
URL: https://www.organic-chemistry.org/Highlights/2009/09March.shtm
... that cyclization of 8, prepared by Sharpless asymmetric epoxidation followed by Sharpless asymmetric dihydroxylation ... also proceeded with high diastereocontrol. Vincent Aucagne of the Université d ' Orléans observed ...
URL: https://www.organic-chemistry.org/Highlights/2009/13April.shtm
... .) used the power of the Sharpless oxidations to convert the prochiral 10 into ... of the epoxidation and/or the dihydroxylation, it should be possible to selectively ...
URL: https://www.organic-chemistry.org/Highlights/2005/16May.shtm
... epoxidation and dihydroxylation, developed by Barry Sharpless have dominated single-enantiomer organic synthesis. Recently ... The enantioselective oxygenation procedures, epoxidation and dihydroxylation, developed by Barry Sharpless have dominated ...
URL: https://www.organic-chemistry.org/Highlights/2005/28February.shtm
... in Strasbourg prepared the substrate 20 for Sharpless asymmetric epoxidation using the method that we ... 10 led to 12, which after dihydroxylation and protection was heated to generate the ...
URL: https://www.organic-chemistry.org/Highlights/2007/22January.shtm
... with the absolute configuration being set by Sharpless asymmetric epoxidation. Subsequent to the alkylation ... but not ?) could effect selective dihydroxylation. Periodate cleavage followed by reduction then ...
URL: https://www.organic-chemistry.org/Highlights/2007/05November.shtm
... can be prepared in high ee by Sharpless dihydroxylation, it would be even more ... to prepare them by direct asymmetric pinacol coupling. N. N. Joshi of ...
URL: https://www.organic-chemistry.org/Highlights/2004/23August.shtm
... as 17 from the corresponding alkynes. Sharpless asymmetric dihydroxylation of 17 proceeded with high ... to give, after reduction, the diol 18. Toshiro Harada of the Kyoto ...
URL: https://www.organic-chemistry.org/Highlights/2009/16February.shtm
... 4. In the presence of the Sharpless ligand, the dihydroxylation proceeded with high ... . This approach could offer cost and waste stream advantages over currently used oxidants. ...
URL: https://www.organic-chemistry.org/Highlights/2009/23March.shtm
... from the aldehyde 10, prepared by Sharpless asymmetric dihydroxylation of 3-pentenenitrile. Chelate-controlled addition ... propargyl zinc 11 led to the alkyne 12. Reductive coupling of the alkyne of ...
URL: https://www.organic-chemistry.org/Highlights/2012/02July.shtm
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