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Search results for: ozonolysis
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... Synthesis of Tetrasubstituted Ozonides by the Griesbaum Coozonolysis Reaction: Diastereoselectivity and Functional Group Transformations ... Post-Ozonolysis Reactions Yuanqing Tang, Yuxiang Dong, Jean M. Karle, Charles A ...
... Organic Chemistry Portal Unsymmetrical Ozonolysis of a Diels-Alder Adduct: Practical Preparation of a Key Intermediate for Heme Total Synthesis Douglass F. Taber* and Katsumasa Nakajima * ...
... Organic Chemistry Portal Osmium Tetroxide-Promoted Catalytic Oxidative Cleavage of Olefins: An Organometallic Ozonolysis Benjamin R. Travis, Radha S. Narayan and Babak Borhan* *Department ...
... :5 regioselectivity, and in up to 96% ee. In conjunction with ozonolysis, this process allows the enantioselective synthesis of ?-hydroxy ketones. see article for ...
... oxidation with O 3. see article for more examples Key Words Ullmann Coupling, Ozonolysis, Ozone, Azetidines, ?-Lactams ID: J54-Y2006-3680 ...
... 2. The aldehyde 2 was prepared from the inexpensive geraniol ether 5. Selective ozonolysis followed by Wittig homologation gave the bromodiene, which was converted via dehydrobromination and ...
... the congested tetrasubstituted alkene, so the more reactive alkene was temporarily epoxidized. After ozonolysis, the epoxide was reduced off using the Sharpless protocol. It is a ...
... was cyclized with> 10:1 regio- and diasterocontrol to give 12. Ozonolysis and methylenation of the less hindered ketone then delivered 3. In both of ...
... 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 ...
