A new and efficient catalytic isomerization of cis- and trans-epoxides
β Scribed by Ching-Yu Lo; Sitaram Pal; Arjan Odedra; Rai-Shung Liu
- Book ID
- 104253329
- Publisher
- Elsevier Science
- Year
- 2003
- Tongue
- French
- Weight
- 487 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0040-4039
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β¦ Synopsis
We report new ruthenium-catalyzed cis-trans isomerization of various functionalized epoxides. Enantiospecific isomerization of chiral epoxides is achieved without loss of enantiopurity, and epimerization occurs only at the epoxide carbon of the activating group.
π SIMILAR VOLUMES
Cis and trans isomers have been identified in solutions of the dye DCM and the absolute absorption cross sections have been measured for both. Tluoreseent lifetimes and quantum yields for fluorescence have been measured as a function of solvent and the results demonstrate the unique nature of the ph