反应条件
sodium methylate; lithium chloride 1) MeOH, reflux, 0.5 h; 2) MeOH, a) romm temp., overnight, b) 50 dceg C, 8 h, c) reflux, overnight; 3) DMSO, reflux, 3.5 h; Yield given. Multistep reaction;
参考文献
Hedenstroem, Erik; Hoegberg, Hans-Erik; Wassgren, Ann-Britt; Bergstroem, Gunnar; Loefqvist, Jan; et al.
Tetrahedron, 1992 , vol. 48, # 15 p. 3139 - 3146