Oxidation of Phenylhydrazones with Benzeneseleninic Anhydride: A New Mechanistically Interesting Observation
โ Scribed by Derek H.R. Barton; Seung-Yong Choi; Wansheng Liu; Jason A. Smith
- Book ID
- 106235946
- Publisher
- Springer
- Year
- 1998
- Weight
- 216 KB
- Volume
- 2
- Category
- Article
- ISSN
- 1433-1373
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๐ SIMILAR VOLUMES
The enamide moiety of the title azasteroid reacted with benzeneseleninic anhydride to afford products derived chiefly from a Pummerer-type reaction at C-6. The intermediate selenoxide was also prepared by oxidation of the corresponding selenide. Benzeneseleninic acid (L) and benzeneseleninic anhyd
Primary kinetic isotope effects were measured for the oxidation of cyclohexane and methylcyclohexane with DMDO in solution and in the gas phase. These experiments suggest an electrophilic oxygen insertion mechanism for the oxidation of alkanes by DMDO.
## Abstract The addition reaction of dibutylphosphane oxide [Bu~2~P(O)H] with alkynes proceeds efficiently in the presence of palladiumโchelating phosphaneโBrรธnsted acid catalyst systems. Terminal alkynes afford branchedโstructured products selectively. On the other hand, the same reaction using mo