1: 2,2-Dimethyl-[1,3]dioxane-4,6-dione With orthoformic acid triethyl ester T=145°C; 2: 4-methoxy-benzaldehyde T=50 - 145°C; 3: in diphenylether T=250°C;
参考文献
Margolis, Brandon J.; Long, Kimberly A.; Laird, Dana L. T.; Ruble, J. Craig; Pulley, Shon R.
Journal of Organic Chemistry, 2007 , vol. 72, # 6 p. 2232 - 2235