New sulphide addition agents for lubricant methods
β Scribed by M.J. Devine; J.P. Cerini; W.H. Chappell; J.R. Soulen
- Publisher
- Elsevier Science
- Year
- 1969
- Weight
- 358 KB
- Volume
- 2
- Category
- Article
- ISSN
- 0041-2678
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S-Conjugate addition and 5-hydroxyalkylation of enones have been accomplished by the reaction of ylides, derivated from enones via phosphoniosilylation, with activated olefins and aldehydes in the presence of trimethylsilyl triflate in tetrahydrofuran at -78 OC and subsequent elimination of phosphon
## Abstract This study describes 15 compounds with allylic or pentadienic structure carrying either captodative (cd) carbonβ or heteroatom substituents as potential radical leaving groups in an additionβfragmentation reaction. Their experimental evaluation as __c__hainβ__t__ransfer __a__gents (CTA)