6-甲基-4-氧-4H-1-苯并吡喃-3-甲醛合成路线 (共 24 条)
反应条件
1: N,N-dimethyl-formamide With bis(trichloromethyl) carbonate in 1,2-dichloro-ethane T=0 - 20°C; 2: 1-(2-hydroxy-5-methylphenyl)ethanone in 1,2-dichloro-ethane T=0 - 20°C; 4.5 h; Further stages.;
参考文献
Su; Li; Zhao
Organic Preparations and Procedures International, 2007 , vol. 39, # 5 p. 495 - 502
反应条件
formaldehyd; sulfuric acid; acetic acid in water 2 h; Reflux;
参考文献
Karmakar, Partha; Ghosh, Tarun; Chakrabarty, Debasish; Maiti, Sourav; Bandyopadhyay, Chandrakanta
Journal of Chemical Research, 2008 , # 4 p. 208 - 211
反应条件
trichlorophosphate T=20°C; Cooling with ice;
参考文献
Xiang, Haoyue; Qi, Xueyu; Xie, Yuyuan; Xu, Guangyu; Yang, Chunhao
Organic and Biomolecular Chemistry, 2012 , vol. 10, # 38 p. 7730 - 7738
反应条件
1: pyridine / dichloromethane 2: AlCl3, aluminium chloride / 120 °C 3: oxalyl dichloride / 0 - 20 °C View Scheme
参考文献
Cao, Linghua; Zhang, Lin; Cui, Pengyuan
Chemistry of Heterocyclic Compounds, 2004 , vol. 40, # 5 p. 635 - 640
反应条件
1: AlCl3, aluminium chloride / 120 °C 2: oxalyl dichloride / 0 - 20 °C View Scheme
参考文献
Tu, Qi-Dong; Li, Ding; Sun, Yao; Han, Xin-Ya; Yi, Fan; Sha, Yibamu; Ren, Yan-Liang; Ding, Ming-Wu; Feng, Ling-Ling; Wan, Jian
Bioorganic and Medicinal Chemistry, 2013 , vol. 21, # 11 p. 2826 - 2831
反应条件
hydroxylamine hydrochloride; sodium iodide in acetonitrile 2 h; Heating;
参考文献
Jagath Reddy; Latha; Thirupathaiah; Srinivasa Rao
Organic Preparations and Procedures International, 2004 , vol. 36, # 3 p. 287 - 289
反应条件
potassium carbonate in acetone 8 h; Heating;
参考文献
Ghosh, Chandra Kanta; Sahana, Sirin
Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1996 , vol. 35, # 3 p. 203 - 206
反应条件
1-phenacylpyridinium bromide; potassium carbonate in acetone 8 h; Heating;
参考文献
Ghosh, Chandra Kanta; Sahana, Sirin
Indian Journal of Chemistry - Section B Organic and Medicinal Chemistry, 1996 , vol. 35, # 3 p. 203 - 206
反应条件
1: 20 percent / K2CO3, N-phenacylpyridinium bromide / acetone / 8 h / Heating 2: dimethylformamide / 8 h / Heating View Scheme
参考文献
Ghosh, Chandra Kanta; Khan, Smriti
Synthesis, 1981 , # 9 p. 719 - 721
反应条件
triethylamine in ethanol 4 h; Heating;
参考文献
Ghosh, Chandra Kanta; Bandyopadhyay, Chandrakanta; Tewari, Nimai
Journal of Organic Chemistry, 1984 , vol. 49, # 15 p. 2812 - 2815