3,4-二甲氧基苯甲醛合成路线 (共 996 条)
反应条件
HMDS 1.) THF, r.t., 30 min, 2.) THF, r.t., 20 min; Yield given. Multistep reaction. Yields of byproduct given. Title compound not separated from byproducts;
参考文献
Bolli, Martin H.; Ley, Steven V.
Journal of the Chemical Society - Perkin Transactions 1, 1998 , # 15 p. 2243 - 2246
反应条件
1: 90 percent / 70percent HNO3 / 0 deg C -> room temperature, 1 h 2: 54 percent / Sn, AcOH / 20 h / Ambient temperature View Scheme
参考文献
Kumar, Sandeep; Wachtel, Ellen J.; Keinan, Ehud
Journal of Organic Chemistry, 1993 , vol. 58, # 15 p. 3821 - 3827
反应条件
hydroxylamine hydrochloride in acetonitrile 0.0652778 h; Microwave irradiation;
参考文献
Datta, Bandita; Pasha
Bulletin of the Korean Chemical Society, 2012 , vol. 33, # 7 p. 2129 - 2130
反应条件
hydroxylamine hydrochloride; oxalic acid T=110°C; 3.5 h;
参考文献
Chandrasekhar, Sosale; Gopalaiah, Kovuru
Tetrahedron Letters, 2003 , vol. 44, # 40 p. 7437 - 7439
反应条件
1: 69 percent / glacial AcOH / ethanol / 5 h / Heating 2: 1) glacial AcOH, HCl, NaNO2 2) pyridine / 1) water, 0-5 deg C 2) r.t., overnight View Scheme
参考文献
Shrimali; Kalsi; Sah; Barthwal
Journal of the Indian Chemical Society, 1990 , vol. 67, # 9 p. 748 - 752
反应条件
N-benzyl-N,N,N-triethylammonium chloride; potassium carbonate in N,N-dimethyl-formamide T=40°C; 46 h; Yield given;
参考文献
Zimbron, Jeremy Malcolm; Seeger-Weibel, Manuela; Hirt, Hans; Gallou, Fabrice
Synthesis, 2008 , # 8 p. 1221 - 1226
反应条件
ethanol; sodium ethanolate
参考文献
Knoll A.G.
Patent: DE702007 , 1938 ;
DRP/DRBP Org.Chem.
反应条件
1: 82 percent / KOH / methanol / 24 h / 20 °C 2: 82 percent / pyridine / methanol; H2O / 12 h / Heating View Scheme
参考文献
Babber, Sunanda; Chandra, S.; Aggarwal, Anil K.
Indian Journal of Chemistry, Section B: Organic Chemistry Including Medicinal Chemistry, 1987 , vol. 26, p. 797 - 798
反应条件
anhydrous magnesium perchlorate in 1,2-dichloro-ethane T=20°C; 8 h;
参考文献
Chakraborti, Asit K.; Bhagat, Srikant; Rudrawar, Santosh
Tetrahedron Letters, 2004 , vol. 45, # 41 p. 7641 - 7644
反应条件
1: 95 percent / NaH / tetrahydrofuran; dimethylsulfoxide / 20 h / Ambient temperature 2: 95 percent / H2 / Pd/C 3: 93 percent / polyphosphoric acid / 4 h / 40 °C 4: 40 percent / HBr View Scheme
参考文献
Beugelmans, Rene; Chastanet, Jacqueline; Ginsburg, Helene; Quintero-Cortes, Leticia; Roussi, Georges
Journal of Organic Chemistry, 1985 , vol. 50, # 24 p. 4933 - 4938