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Search results for: sharpless epoxidation

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... both alkenes were allylic, Sharpless epoxidation might be the ... their case, specifically a Katsuki-Sharpless epoxidation. They attribute ... synthesis relied upon a late-stage epoxidation, as the allylic ...
URL: http://www.organic-chemistry.org/totalsynthesis/totsyn01/iso-epoxy-amphidinolide-n-nicolaou.shtm
... , K. B. Sharpless, Angew. Chem ... FUNCTIONALIZED SECONDARY ALCOHOLS/ASYMMETRIC EPOXIDATION CATALYSTS/DIELS-ALDER REACTION ... /CATALYSIS/DIHYDROXYLATIONS/EPOXIDATIONS/TITANIUM COMPOUNDS/ ...
URL: http://www.organic-chemistry.org/abstracts/authors/berrisford-d-j.shtm
... so was a perfect candidate for a Sharpless epoxidation. The isoprene-type unit was deactivated ... oxidation of the terminal methyl group to an allylic alcohol and acetylation, allowing selective ...
URL: http://www.organic-chemistry.org/totalsynthesis/totsyn05/dioxepandehydrothyrsiferol-jamison.shtm
... alcohols such as 12 are prepared by Sharpless asymmetric epoxidation. Kohji Suda of Meiji ... chloro alcohol with high diastereoselectivity. The epoxidation procedure developed by Yian Shi of Colorado ...
URL: http://www.organic-chemistry.org/Highlights/2005/18July.shtm
... advantages the Jørgensen-Córdova epoxidation has over the Sharpless protocol. It is not necessary to ... phosphorane 7 set the stage for Jørgensen-Córdova epoxidation (Tetrahedron Lett. 2006, 47 ...
URL: http://www.organic-chemistry.org/Highlights/2010/05July.shtm
... fructose are required. We start with Sharpless' asymmetric epoxidation of the allylic alcohol ... . This in turn results from more epoxidation, meaning a lot of titanium isopropoxide ...
URL: http://www.organic-chemistry.org/totalsynthesis/totsyn05/omaezakianol-morimoto.shtm
... isn ' t actually made from a Sharpless epoxidation; they actually do a dihydroxylation ... more exciting, if based predominately on epoxidation/opening. However, it ' ...
URL: http://www.organic-chemistry.org/totalsynthesis/totsyn02/intricatetraol-morimoto.shtm
... 3, the authors took advantage of Sharpless asymmetric epoxidation. To this end, ... acetate 7 was oxidized with SeO 2 to the allylic alcohol 8. Epoxidation gave ...
URL: http://www.organic-chemistry.org/Highlights/2017/03April.shtm
... . For more than two decades, Sharpless asymmetric epoxidation of allylic alcohols has been ... workhorse for enantioselective synthesis. Karl Anker Jørgensen of Aarhus University, Denmark, has ...
URL: http://www.organic-chemistry.org/Highlights/2006/13February.shtm
... can be prepared in high ee by Sharpless epoxidation. Norbert Krause of Dortmund University ... shown (Angew. Chem. Int. Ed. 2007, 46, 1650 ...
URL: http://www.organic-chemistry.org/Highlights/2007/19November.shtm
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