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Search results for: ozonolysis
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... commercially-available 2-methylcyclopentenone, by conjugate addition followed by alkylation of the regenerated ketone enolate. Ozonolysis followed by selective reduction then led to 11. Resolution was accomplished by enantioselective ...
... 1487-1493. Link). The key step was the preparation of 16 by a coozonolysis of O-methyl 2-adamantanone oxime with a 4-substituted cyclohexanone. Neurotoxicity in animal models has ...
... of oxygen to the more open face of the alkene, leading to 15. Ozonolysis followed by diastereoselective one-carbon homologation provided 17. This set the stage for intramolecular ...
... to give the alcohol. Conversion of the alcohol to the azide gave 10. Ozonolysis followed by selective reduction then gave 2. The acid-mediated intramolecular addition of the ...
... , followed by reduction and silylation delivered the bis-ether 8. Wacker oxidation followed by ozonolysis and exposure to aqueous NaOH in ether then led to the enone 9, ...
... component of 3. The preparation of 1 began with commercial enantiomerically-pure citronellol 4. Ozonolysis of the ester delivered the aldehyde 5, which was hydroxylated with high diastereocontrol ...
... 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 ...
... 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 ...
... 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 ...
... ), 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 ...
