A PREDICATIVE MODEL FOR CERTAIN DIRECTED METALATIONS .4. THE DYNAMIC BEHAVIOR OF THE ORGANOLITHIO INTERMEDIATES FORMED BY METALATION OF P-DIMETHOXYBENZENE (P-DMB)
Dw. Slocum et al., A PREDICATIVE MODEL FOR CERTAIN DIRECTED METALATIONS .4. THE DYNAMIC BEHAVIOR OF THE ORGANOLITHIO INTERMEDIATES FORMED BY METALATION OF P-DIMETHOXYBENZENE (P-DMB), Tetrahedron letters, 36(45), 1995, pp. 8175-8178
Significant disproportionation between, the mono- and 2,5-bis-metalate
d intermediates resulting from metalation of p-DMB has been observed T
he best procedure for the generation of each of these intermediates in
volves use of an ''incremental'' amount of TMEDA.