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Search results for: epoxidation
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... Chem., 1998, 70, 1027. Key Words: UNFUNCTIONALIZED OLEFINS/EPOXIDATION/OXYGEN The palladium-catalysed arylation and vinylation of alkenes- enantioselective fashion. M ...
... Organic Chemistry Portal A Diasteroselective Epoxidation of Olefins by Organo Sulfonic Peracids. II. A. Zamojski, Chemtracts: Organic Chemistry, 1996, 9, 299 ...
... rearrangement of epoxides to aldehydes. Optically active ?-siloxy aldehydes are easily available through Sharpless epoxidation of allylic alcohols, followed by silylation and rearrangement. see article for more ...
... 11, the intermediate for the synthesis of both 1 and 2. Selective direct epoxidation of 11 using the usual reagents failed, but Sharpless asymmetric dihydroxylation was successful ...
... geometric control. The two stereogenic centers of 2 were then established by Sharpless asymmetric epoxidation. The preparation of the cyclohexene 1 began with pulegone 8, available commercially ...
... the diene. Methanolysis followed by oxidation then gave the triketone 1, which on epoxidation with MCPBA gave 2 as the minor component of a 3:1 mixture ...
... combination with sodium formate served effectively to regenerate the NADH. Using this combination, epoxidation of aryl alkenes such as 6, 8 and 10 proceeded in high enantiomeric ...
... . 843. Key Words: FUNCTIONAL GROUPS/OXIDATION/ALKENES AND ALKYNES/EPOXIDATION/EPOXIDE HETRING/3(O) Oxaziridine rearrangements in asymmetric synthesis. ...
... +2 cycloaddition of singlet oxygen with substituted 1,3-butadienes, with a further epoxidation required to mimic the artemisinin (1a) 1,2,4-trioxane ring ...
... /APPENDAGES/ENANTIOGENIC REACTIONS/ORGANOMETALLICS/SYNTHESIS/TM CATALYSTS/REDUCTION SHARPLESS EPOXIDATION CYCLOPROPANATION DIELS-ALDER ALDOL HYDROGENATION CROSS COUPLING HYDROFORMYLATION/HETRING/3(O) ...
