Montana John G., Phillipson Neil, Taylor Richard J. K., J. Chem. Soc. Chem. Commun, (1994) N 19, S 2289-2290
作者:Montana John G., Phillipson Neil, Taylor Richard J. K.
DOI:——
日期:——
α-Methoxyketone synthesis via ketone homologation: ZrCl<sub>4</sub>-mediated hydroxy sulfone rearrangements
作者:John G. Montana、Neil Phillipson、Richard J. K. Taylor
DOI:10.1039/c39940002289
日期:——
The adducts between ketones and the anion derived from [(methoxymethyl)sulfonyl]benzene undergo efficient, regioselective rearrangement to give α-methoxyketones when treated with ZrCl4 and HfCl4; this new procedure allows the sulfone-mediated homologation methodology to be applied to monocyclic and acyclic ketones.
Ketone homologation to produce α-methoxyketones: application to conduritol synthesis
作者:Neil Phillipson、Michael S. Anson、John G. Montana、Richard J. K. Taylor
DOI:10.1039/a703073h
日期:——
The scope of Trost’s sulfone homologation procedure for the conversion of ketones into their α-methoxylated higher homologues has been dramatically expanded. The use of zirconium (or hafnium) tetrachloride in the hydroxy sulfonerearrangement step gives good yields with the adducts of aryl alkyl ketones, dialkyl ketones and cycloalkanones, and the rearrangement occurs with total regioselectivity. Mechanistic