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... has increased the numbers of epoxides, controlling formation of ... Tim Jamison has developed a polyepoxide cascade reaction to build ... acetylation, allowing selective Shi epoxidaiton of the internal olefin ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn05/dioxepandehydrothyrsiferol-jamison.shtm
... of the enantiomerically-enriched spiro bis epoxide 1. The left ... The preparation of the allene bis-epoxide 1 started with isovaleraldehyde ... the easily-purified 2. The spirodiepoxide 1 is an intriguing ...
URL: https://www.organic-chemistry.org/Highlights/2005/05September.shtm
... cascade for the conversion of epoxide 24 to the bis ... ) polyether 32 via an epoxide-opening cascade. The cascade ... initiated with a Nicholas reaction by treatment with dicobalt octacarbonyl ...
URL: https://www.organic-chemistry.org/Highlights/2014/13January.shtm
... OLIGO-TETRAHYDROFURAN/STEREOSELECTIVE SYNTHESIS/EPOXIDE-CYCLIZATION CASCADE/MULTIPLE WILLIAMSON ... BISTETRAHYDROFURANS/ENANTIOSELECTIVE COMPLEXATION/BISEPOXIDE CYCLIZATION/CARBONYL-COMPOUNDS/ ... Oxidative polycyclization versus the'polyepoxide cascade': New pathways ...
URL: https://www.organic-chemistry.org/abstracts/authors/koert-u.shtm
... ) Next up - more epoxidations using the Shi catalyst ... product, they need to epoxidise with the catalyst derived ... resulted from an impressive chemoselective bis-epoxidation of farnesyl actetate under ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn04/ent-abudinol-b-mcdonald.shtm
... Their initial synthesis relied upon a late-stage epoxidation, as the allylic epoxide was deemed ... ring closure, they then attempted to epoxidise as in their model study. However ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn01/iso-epoxy-amphidinolide-n-nicolaou.shtm
... . This in turn results from more epoxidation, meaning a lot of titanium isopropoxide ... synthesis. However, rather than simply perepoxidising squalene and letting the compound zip-up ( ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn05/omaezakianol-morimoto.shtm
... : 10.1002/adsc.200800650 Abstract An efficient epoxidation of a broad range of olefins using ... for Fast, Efficient and Selective Hydrogen Peroxide-Epoxidation Isaac Garcia-Bosch, Xavi Ribas* and ...
URL: https://www.organic-chemistry.org/abstracts/lit2/161.shtm
... see article for more examples Key Words epoxides , amino alcohols , regioselectivity, ring ... Portal Highly Regioselective and Efficient Synthesis of Aminoepoxides by Ring Closure of Aminohalohydrins Mediated by ...
URL: https://www.organic-chemistry.org/abstracts/lit3/348.shtm
... Chemistry Portal Efficient and Selective Peracetic Acid Epoxidation Catalyzed by a Robust Manganese Catalyst Isaac ... for Fast, Efficient and Selective Hydrogen Peroxide-Epoxidation I. Garcia-Bosch, X. Ribas ...
URL: https://www.organic-chemistry.org/abstracts/lit2/124.shtm
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