反应条件
in tetrahydrofuran; anhydrous butyl ether
under N2; refluxing for 40 h; soln. cooled in ice-bath, filtered (Kieselguhr, Et2O); filtrate concd. under reduced pressure to give crystalline solid;
参考文献
Perez-Encabo, Alfonso; Perrio, Stephane; Slawin, Alexandra M. Z.; Thomas, Susan E.; Wierzchleyski, Adam T.; Williams, David J.
Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1994 , # 6 p. 629 - 642