in tetrahydrofuran
Me3Ga adding to a freshly prepared soln. of Na pyrazolate, then tropolone adding to give a yellowish ppt.; refluxing for 40 h, filtering, solidremoving;
参考文献
Rettig; Storr; Trotter
Canadian Journal of Chemistry, 1984 , vol. 62, # 9 p. 1705 - 1708