Conversion of cycloalk-2-enones into 2-methylcycloalkane-1,3-diones—assessment of various Tamao-Fleming procedures and mechanistic insight into the use of the Me<sub>3</sub>SiMe<sub>2</sub>Si unit
作者:Guojun Yu、Derrick L. J. Clive
DOI:10.1039/c5ob02402a
日期:——
2-Methyl cycloalkane-1,3-diones can be made by conjugate addition of Me3SiMe2SiLi to cycloalk-2-en-1-ones, ketalization, Tamao–Fleming oxidation (Bu4NF, then H2O2, KHCO3), TPAP oxidation and acid hydrolysis.