5,6-二氢-3-乙氧羰基-2-甲基-4H-吡喃合成路线 (共 14 条)
反应条件
potassium carbonate in dimethyl sulfoxide
参考文献
Journal of Organic Chemistry USSR (English Translation), , vol. 19, p. 474 - 480
Zhurnal Organicheskoi Khimii, , vol. 19, # 3 p. 541 - 548
反应条件
potassium carbonate in toluene T=80°C; Substitution; Cyclization;
参考文献
Synthesis, , # 14 p. 2004 - 2008
反应条件
anhydrous magnesium perchlorate in dimethyl sulfoxide T=25°C; metal ion effects; Rate constant;
参考文献
Tetrahedron, , vol. 46, # 4 p. 1353 - 1366
反应条件
lithium ethanolate 1.) ethanol, 2.) THF, 70 h, reflux; Yield given. Multistep reaction. Yields of byproduct given;
参考文献
Tetrahedron, , vol. 46, # 4 p. 1353 - 1366
反应条件
ethanol; sodium ethanolate anschliessend behandeln mit 1-Brom-3-chlor-propan;
参考文献
Annales de Chimie (Cachan, France), , vol. <12> 9, p. 310,325
参考文献
Journal of the Chemical Society, , vol. 51, p. 709,715
参考文献
Journal of the Chemical Society, , vol. 51, p. 739
参考文献
Zhurnal Obshchei Khimii, , vol. 20, p. 1881; engl. Ausg. S. 1947
反应条件
1: 86 percent / HBr; NaBr; H2SO4 / 50 °C 2: 92 percent / TsOH / toluene / Heating View Scheme
参考文献
Chen; Huang; Fu; Cheng; Zhang; Li; Peng
Synthesis, 2000 , # 14 p. 2004 - 2008
反应条件
sulfuric acid; hydrogen bromide; sodium bromide T=50°C; Decarboxylation; Ring cleavage;
参考文献
Synthesis, , # 14 p. 2004 - 2008