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Search results for: ozonolysis

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... 3. Protection and halide exchange set the stage for homologation with allylmagnesium chloride. Ozonolysis followed by condensation with the acyl oxazolidinone 6 set the last two stereogenic centers ...
URL: http://www.organic-chemistry.org/Highlights/2006/06March.shtm
... give the ester 4 as a 10:1 ratio of diastereomers. Note that ozonolysis of 4 followed by aldol condensation would give the cyclohexenone 5. Many methods ...
URL: http://www.organic-chemistry.org/Highlights/2006/25December.shtm
... either 11 (BF 3 .OEt 2) or 12 (MgBr 2). Ozonolysis of 12 followed by OH-directed reduction gave 13, a key intermediate toward the ...
URL: http://www.organic-chemistry.org/Highlights/2006/30JanuaryB.shtm
... ), each enantiomer of which is commercially available in bulk. After protection and ozonolysis, the first singly-aminated stereogenic center was installed by enantioselective, and therefore diastereoselective ...
URL: http://www.organic-chemistry.org/Highlights/2008/01December.shtm
... of the enantiomerically-pure reagent 5 was addition to the aldehyde that had been prepared by ozonolysis of 15. Advantage was then taken of another property of the alkenyl carbamate ...
URL: http://www.organic-chemistry.org/Highlights/2008/03March.shtm
... diol 12. This was desymmetrized by selective acetonide formation, to give 13. Ozonolysis, reductive work-up, and protection of the newly-formed 1,3-diol gave 14 ...
URL: http://www.organic-chemistry.org/Highlights/2008/07January.shtm
... 130, 3451.) by Takanori Shibata of Waseda University. Inter alia, ozonolysis of 23 delivered the cyclopentane 24 containing two all-carbon quaternary centers. Zhi-Xiang Yu ...
URL: http://www.organic-chemistry.org/Highlights/2008/15December.shtm
... )-citronellal (4). Wittig homologation established the (Z )-iodide 5. Selective ozonolysis followed by condensation with the phosphorane 7 set the stage for J°rgensen-Cˇrdova epoxidation ( ...
URL: http://www.organic-chemistry.org/Highlights/2010/05July.shtm
... 1 and thus of 3 was set by Noyori hydrogenation of the enone 4. Ozonolysis followed by acetylation delivered the pyridone 6 as an inconsequential mixture of diastereomers. ...
URL: http://www.organic-chemistry.org/Highlights/2011/05September.shtm
... University Graz effected (Org. Lett. 2011, 13, 984.) ozonolysis of 6, using the Dussault protocol, and Dong-Pyo Kim of Chungnam National ...
URL: http://www.organic-chemistry.org/Highlights/2011/10October.shtm
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