5,6-二氢-4H-吡喃-2-羧酸甲酯合成路线 （共 6 条）
反应条件
sodium hydrogencarbonate in methanol
参考文献
Organic Letters, , vol. 7, # 25 p. 5581 - 5583
反应条件
1: 90 percent / piperidine 2: 97 percent / KOH / H2O 3: 81 percent / NaHCO3 / methanol View Scheme
参考文献
Organic Letters, , vol. 7, # 25 p. 5581 - 5583
反应条件
1: 97 percent / KOH / H2O 2: 81 percent / NaHCO3 / methanol View Scheme
参考文献
Organic Letters, , vol. 7, # 25 p. 5581 - 5583
反应条件
1: 1.69 g / Dowex 50 W resin / methanol / 4 h / Ambient temperature 2: 2.) Et3N / 1.) CH2Cl2, -78 deg C; 2.) CH2Cl2, 20 deg C View Scheme
参考文献
Tetrahedron, , vol. 45, # 24 p. 7765 - 7782
反应条件
triethylamine 1.) CH2Cl2, -78 deg C; 2.) CH2Cl2, 20 deg C; Yield given. Multistep reaction. Yields of byproduct given;
参考文献
Tetrahedron, , vol. 45, # 24 p. 7765 - 7782
反应条件
triethylamine 1.) CH2Cl2, -78 deg C; 2.) CH2Cl2, 20 deg C; cis or trans methyl 6-hydroxy-2-hexenoates, different reagents for cyclisation and reaction conditions; Product distribution;
参考文献
Tetrahedron, , vol. 45, # 24 p. 7765 - 7782
