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Search results for: sharpless dihydroxylation

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... both the base and the solvent. Sharpless asymmetric dihydroxylation followed by coupling with the ... phosphate 12 then completed the preparation of the diol 1. Addition of the ketene ...
URL: https://www.organic-chemistry.org/Highlights/2015/02March.shtm
... ) that this acceleration also worked with Sharpless asymmetric dihydroxylation. D. Christopher Braddock ... Imperial College London took advantage (Chem. Commun. 2014, 50, 13725 ...
URL: https://www.organic-chemistry.org/Highlights/2015/13July.shtm
... hydrolysis led to the lactone 12. Sharpless asymmetric dihydroxylation proceeded with poor diastereocontrol, ... monoprotection of the resulting diol mixture followed by oxidation and reduction delivered, after protection ...
URL: https://www.organic-chemistry.org/Highlights/2016/05September.shtm
... described by the authors, based on Sharpless asymmetric dihydroxylation. D. F. ... , Org. Chem. Highlights 2017, July 24. URL: https: ...
URL: https://www.organic-chemistry.org/Highlights/2017/24July.shtm
... four steps, commencing with an asymmetric Sharpless dihydroxylation, followed by carbonate formation and ... catalysed reduction, and finally diastereoselective hydration with benzaldehyde to generate the 3,5-benzylidene ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn01/milbemycin-o-doherty.shtm
... isn ' t actually made from a Sharpless epoxidation; they actually do a dihydroxylation ... and then selectively mesylate and displace to leave the desired epoxide. With the epoxides ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn02/intricatetraol-morimoto.shtm
... , the group managed this using a Sharpless dihydroxylation, using the conformation of the ... rings to control this. Only the less hindered, equatorial vinyl group reacts in ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn02/phorboxazole-b-burke.shtm
... paper describes the use of a double Sharpless asymmetric dihydroxylation sequence, in which the ... alkene reacts first, forming the tetrahydrofuran, and then the terminal alkene to form ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn04/spirastrellolide-a-paterson.shtm
... they used a two-step protocol- a Sharpless dihydroxylation, followed by addition of periodate ... Presumably the more direct ozonolysis was unselective, and attacked the freshly installed vinyl iodide ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn05/sorangicin-a-smith.shtm
... quicker, installing the asymmetry using a Sharpless dihydroxylation and a procedure developed by Yadav ... make the chiral propargyl alcohol. Towards the end, though, I liked the ...
URL: https://www.organic-chemistry.org/totalsynthesis/totsyn05/sporolide-b-nicolaou.shtm
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