Stereochemical course of the Cope-Claisen rearrangement of the stereoisomeric 2-vinyl-3-isopropenylcyclohexylvinyl ethers. A system having .DELTA.GClaisen.++. .mchgt. .DELTA.GCope.++.
New method for preparing βγ-unsaturated ketones: use of phenylselenoacetaldehyde
作者:Derrick L. J. Clive、Charles G. Russell
DOI:10.1039/c39810000434
日期:——
Zinc enolates derived from ketones condense efficiently with phenylselenoacetaldehyde and the products are converted into βγ-unsaturated kmmetones by the action of methanesulphonyl chloride and triethylamine.