2-(3-氰基-4-羟基苯基)-4-甲基-1,3-噻唑-5-羧酸乙酯合成路线 (共 6 条)
反应条件
1: With hydroxylamine hydrochloride in N,N-dimethyl-formamide 0.5 h; 2: With acetyl chloride in N,N-dimethyl-formamide T=90°C;
参考文献
Vellanki, Siva Rama Prasad; Sahu, Arabinda; Raavi, Satyanarayana; Nuchu, Ravi; Dandala, Ramesh
Patent: US2013/303780 A1, 2013 ;
Location in patent: Paragraph 0043 ;
反应条件
hydrogen; palladium on activated charcoal in tetrahydrofuran; ethanol T=20°C;
参考文献
EP1932832 A1, ;
Page/Page column 16 ;
EP 1932832 A1
反应条件
1: spirit / 2.5 h / 60 - 65 °C 2: methanesulfonic acid / 10 h / 75 °C 3: hydroxylamine hydrochloride; sodium formate; formic acid / 8 h / 100 °C View Scheme
反应条件
1: spirit / 2.5 h / 60 - 65 °C 2: methanesulfonic acid / 10 h / 75 °C 3: hydroxylamine hydrochloride; sodium formate; formic acid / 8 h / 100 °C View Scheme
反应条件
1: methanesulfonic acid / 10 h / 75 °C 2: hydroxylamine hydrochloride; sodium formate; formic acid / 8 h / 100 °C View Scheme
反应条件
potassium carbonate in N,N-dimethyl-formamide T=75°C; 8 h;
参考文献
RANBAXY LABORATORIES LIMITED; CHATTERJEE, Pranab; NATH, Asok; SOKHI, Sarbjot Singh; PRASAD, Mohan
Patent: WO2012/14117 A1, 2012 ;
Location in patent: Page/Page column 13 ;