Oxygen–sulfur rearrangement in the reaction of thiocarbamate imidazolium ylide with arylaldehyde
✍ Scribed by Zhao, Yingwei; Lei, Min; Yang, Lei; Han, Feng; Li, Zhen; Xia, Chungu
- Book ID
- 118150628
- Publisher
- Royal Society of Chemistry
- Year
- 2012
- Tongue
- English
- Weight
- 131 KB
- Volume
- 10
- Category
- Article
- ISSN
- 1477-0520
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## Abstract Cyclopentanones 1, 4 and 7, as well as uloses 11, 14, 17, and 20, all possessing an oxygen atom in α‐position with respect to the carbonyl group, have been allowed to react with dimethylsulfonium and dimethyloxosulfonium methylides. It has been found that the nucleophilic attack can be
The reactions of singlet oxygen with 2-chloroethyl ethyl sulfide and 3-chlorothiane are reported. In both cases elimination of HCi to produce ot,l~-unsaturated sulfoxides is observed. The experimental results implicate a hydroperoxy sulfonium ylide as a transition state or intermediate in an E2 or E