𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Direct α-arylation of ketones: The reaction of cyclic ketone enolates with diphenyliodonium triflate

✍ Scribed by John H. Ryan; Peter J. Stang


Publisher
Elsevier Science
Year
1997
Tongue
French
Weight
191 KB
Volume
38
Category
Article
ISSN
0040-4039

No coin nor oath required. For personal study only.

✦ Synopsis


Diphenyliodonium triflate la reacts with the lithium enolates of cyclic ketones 2 (ring size = 5 -8), in the presence of stoichiometric quantiites of copper cyanide, to afford the corresponding tx-phenylated ketones 3 or ct,~'diphenylated ketones 4.


📜 SIMILAR VOLUMES


Hypervalent iodine oxidation of trimethy
✍ Robert M. Moriarty; W. Ruwan Epa; Raju Penmasta; Alok K. Awasthi 📂 Article 📅 1989 🏛 Elsevier Science 🌐 French ⚖ 201 KB

a-Trifluoromethanesulfonoxy ketones (a-keto triflates) have been synthesized under very mild conditions by the reaction of silyl enol ethers of ketones and nimethylsilyl trifluormethanesulfonate/iodosobenzene in dichloromethane.

The Reaction of Some α-Oxygenated Cyclic
✍ Marschner, Christoph ;Baumgartner, Judith ;Griengl, Herfried 📂 Article 📅 1994 🏛 John Wiley and Sons 🌐 English ⚖ 604 KB

## 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