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Search results for: sharpless epoxidation

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... one of the most valuable, is Sharpless asymmetric epoxidation. Karl Anker Jørgensen of ... University, Denmark, devised (J. Am. Chem. Soc. 2005 ...
URL: https://www.organic-chemistry.org/Highlights/2007/26February.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
... 2012, 53, 705.) Sharpless epoxidation, to prepare 5, with ... Stork epoxy nitrile cyclization, leading to (+ )-Rumphellaone A (7). ...
URL: https://www.organic-chemistry.org/Highlights/2012/31December.shtm
... , the sidechain stereocenter was set by Sharpless asymmetric epoxidation. Oxidation of 11 gave ... aldehyde, that was converted to the alkyne 12 by the Ohira protocol. Addition ...
URL: https://www.organic-chemistry.org/Highlights/2015/06April.shtm
... /SYNTHESIS/TM CATALYSTS/REDUCTION SHARPLESS EPOXIDATION CYCLOPROPANATION DIELS-ALDER ALDOL HYDROGENATION CROSS COUPLING ... /HETRING/3(O)/TM Enantioselective Synthesis of Organic Compounds with ...
URL: https://www.organic-chemistry.org/abstracts/authors/brunner-h.shtm
... to terminal olefins from prim-alcohols (the Grieco-Sharpless olefination reaction) and to the regioselective ... /SELENIUM/SeO2/OXIDATION/EPOXIDATION/Se Transformations of ß-hydroxyalkyl selenides to ...
URL: https://www.organic-chemistry.org/abstracts/authors/krief-a.shtm
... active ?-siloxy aldehydes are easily available through Sharpless epoxidation of allylic alcohols, followed by ... and rearrangement. see article for more examples Key Words Rearrangements, Aldehydes ID: ...
URL: https://www.organic-chemistry.org/abstracts/literature/257.shtm
... using the usual reagents failed, but Sharpless asymmetric dihydroxylation was successful, providing the ... both 1 and 2. Selective direct epoxidation of 11 using the usual reagents failed ...
URL: https://www.organic-chemistry.org/Highlights/2004/01November.shtm
... centers of 2 were then established by Sharpless asymmetric epoxidation. The preparation of the ... 1 began with pulegone 8, available commercially in high enantiomeric purity. Methylation followed ...
URL: https://www.organic-chemistry.org/Highlights/2004/03May.shtm
... such as 6 are readily available by Sharpless asymmetric epoxidation, this should be a ... route to enantiomerically-aldol products. The rearrangement also works with an aziridine aldehyde such as ...
URL: https://www.organic-chemistry.org/Highlights/2005/14February.shtm
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