3,4-二羟基苯甲酸甲酯合成路线 (共 60 条)
反应条件
T=150 - 170°C; im geschlossenen Rohr;
参考文献
Justus Liebigs Annalen der Chemie, , vol. 159, p. 243
Chemische Berichte, , vol. 8, p. 512,1123
Chemische Berichte, , vol. 11, p. 133
参考文献
Chemische Berichte, , vol. 11, p. 133
反应条件
1: 99 percent / K2CO3; TBAI / acetone / Heating 2: 85 percent / HNO3; Ac2O / 20 °C 3: 100 percent / H2 / Pd/C / ethanol View Scheme
参考文献
Nakamura, Hiroyuki; Onagi, Shinya
Tetrahedron Letters, 2006 , vol. 47, # 15 p. 2539 - 2542
反应条件
anschl. mit wss.NaOH;
参考文献
Holter; Bretschneider
Monatshefte fuer Chemie, 1929 , vol. 53/54, p. 978
反应条件
1: 96 percent / N,N-diisopropylethylamine / dimethylformamide 2: LiHMDS / THF 1) 1 h, -78 deg C 2) 2 h, -10 deg C 3) 1 h, -78 deg C 4) 16 h, r.t. 3: 79 percent / 0.5percent H2SO4 / acetic acid / 1 h / 95 - 100 °C View Scheme
参考文献
Nagarathnam, Dhanapalan; Cushman, Mark
Journal of Organic Chemistry, 1991 , vol. 56, # 16 p. 4884 - 4887
反应条件
1: 96 percent / N,N-diisopropylethylamine / dimethylformamide 2: LiHMDS / THF 1) 1 h, -78 deg C 2) 2 h, -10 deg C 3) 1 h, -78 deg C 4) 16 h, r.t. 3: 78 percent / 0.5percent H2SO4 / acetic acid / 1 h / 95 - 100 °C View Scheme
参考文献
Nagarathnam, Dhanapalan; Cushman, Mark
Journal of Organic Chemistry, 1991 , vol. 56, # 16 p. 4884 - 4887
反应条件
hydrazine hydrate in methanol; water
参考文献
Sankei Pharmaceutical Company Ltd.; Nippon Pharmaceutical Development Institute Co., Ltd.
Patent: US4966900 A1, 1990 ;
反应条件
Kochen des Reaktionsprodukts mit Natronlauge;
参考文献
Holter; Bretschneider
Monatshefte fuer Chemie, 1929 , vol. 53/54, p. 978
反应条件
anschl. mit wss.NaOH;
参考文献
Holter; Bretschneider
Monatshefte fuer Chemie, 1929 , vol. 53/54, p. 978
反应条件
1: 89 percent / Cs2CO3 / butan-2-one 2: 100 percent / KOH / ethanol; H2O View Scheme
参考文献
Tuffin, Rachel P.; Toyne, Kenneth J.; Goodby, John W.
Journal of Materials Chemistry, 1996 , vol. 6, # 8 p. 1271 - 1282