potassium carbonate in tetrahydrofuran T=80°C; 80 h;
参考文献
Hibbert, Frank; Phillips, Sian C.
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1991 , # 5 p. 571 - 574
sulfuric acid in acetic anhydride; acetic acid
Heating;
参考文献
Hibbert, Frank; Phillips, Sian C.
Journal of the Chemical Society, Perkin Transactions 2: Physical Organic Chemistry (1972-1999), 1991 , # 5 p. 571 - 574