A predicative model for certain directed metalations, III; The ability of a methyl substituent to influence the directed metalation of anisole
作者:D.W. Slocum、J. Thompson、C. Friesen
DOI:10.1016/0040-4039(95)01764-9
日期:1995.11
Significant increases in both rate and yield of metalation of p-methylanisole (p-MA) are afforded by use of incremental and stoichiometric amounts of TMEDA. Little metalation of the methyl protons in p-MA is observed under all conditions.