4,6-二甲基-2-吡喃酮合成路线 (共 35 条)
反应条件
diethylzinc; triethylamine; N-methylaniline T=120°C; P=38000 Torr; 72 h; other reagents, temperatures, reaction time; Product distribution;
参考文献
Zhou, Ming; Yoshida, Yasuhiko; Ishii, Shigeru; Noguchi, Hiromichi
Synthetic Communications, 1999 , vol. 29, # 13 p. 2241 - 2247
反应条件
tetrafluoroboric acid; lithium diisopropyl amide 1.) THF, -78 deg C, 45 min, 2.) RT, 16 h; Yield given. Multistep reaction;
参考文献
Journal of Organic Chemistry, , vol. 53, # 9 p. 2031 - 2046
反应条件
sulfuric acid; acetic acid
参考文献
Journal of Agricultural and Food Chemistry, , vol. 54, # 6 p. 2129 - 2133
反应条件
1: concentrated sulfuric acid View Scheme
参考文献
Chemistry and Industry (London, United Kingdom), , p. 992
反应条件
in liquid sulphur dioxide T=25°C; Equilibrium constant;
参考文献
Journal of Organic Chemistry, , vol. 46, # 16 p. 3181 - 3186
反应条件
in dichloromethane Wittig Olefination; Reflux;
参考文献
Synthesis (Germany), , vol. 45, # 9 p. 1215 - 1226
参考文献
Chemistry and Industry (London, United Kingdom), , p. 992
反应条件
in various solvent(s) Ambient temperatureIrradiationirradiation of the cation in conc. H2SO4, then neutralization with aq. sodium bicarbonate; Mechanism;
参考文献
Journal of Organic Chemistry, , vol. 49, # 23 p. 4523 - 4531
反应条件
dodecacarbonyltetrarhodium(0); silica gel T=130°C; 10 h; other catalysts; var. temp. and reaction time; Product distribution;
参考文献
Journal of the Chemical Society, Chemical Communications, , # 3 p. 246 - 247
反应条件
carbon dioxide effect of different catalist discussed; Product distribution;
参考文献
Tetrahedron Letters, , vol. 21, p. 3021 - 3024