反应条件
1: 2,2,6-trimethyl-4H-1,3-dioxin-4-one With dihydroxy-poly(ethylene glycol) of MW = 4000 in toluene 5 h; Heating; 2: recorcinol With titanium tetrachloride in tetrahydrofuran T=20°C; von Pechmann reaction; 0.583333 h;
参考文献
Sheng, Shou-Ri; Huang, Pei-Gang; Wang, Qiong; Huang, Ren; Liu, Xiao-Ling
Synthetic Communications, 2006 , vol. 36, # 21 p. 3175 - 3181