3-甲基-6-氧代-6H-吡喃-2-羧酸合成路线 （共 6 条）
反应条件
hydrogen bromide; acetic acid
参考文献
Fried; Elderfield
Journal of Organic Chemistry, 1941 , vol. 6, p. 566,573
反应条件
1: HCl (concentrated ) / 60 - 70 °C 2: hydrogen bromide; acetic acid View Scheme
参考文献
Fried; Elderfield
Journal of Organic Chemistry, 1941 , vol. 6, p. 566,573
反应条件
1: aqueous NH3 / 120 - 140 °C 2: copper-powder / 300 °C 3: phosphorus (III)-bromide / 190 °C View Scheme
参考文献
Case
Journal of the American Chemical Society, 1946 , vol. 68, p. 2574,2576
反应条件
1: aqueous NH3 / 120 - 140 °C 2: copper-powder / 300 °C 3: phosphorus (III)-bromide / 190 °C 4: copper 5: KMnO4; H2O View Scheme
参考文献
Journal of the American Chemical Society, , vol. 68, p. 2574,2576
反应条件
1: ammonium acetate; acetic acid; acetic acid anhydride / Erhitzen auf Siedetemperatur 2: zinc View Scheme
参考文献
Fried; Elderfield
Journal of Organic Chemistry, 1941 , vol. 6, p. 566,573
反应条件
1: aqueous NH3 / 120 - 140 °C 2: copper-powder / 300 °C 3: phosphorus (III)-bromide / 190 °C 4: copper View Scheme
参考文献
Case
Journal of the American Chemical Society, 1946 , vol. 68, p. 2574,2576
