1-甲基-1H-吡唑-3-甲醛合成路线 （共 4 条）
反应条件
1: With thionyl chloride; N,N-dimethyl-formamide 2 h; Heating / reflux; 2: With hydrogen; palladium 10 on activated carbon in toluene 8 h; Heating / reflux;
参考文献
MERCK and CO., INC.
Patent: WO2004/58702 A2, 2004 ;
Location in patent: Page 31; 24 ;
WO 2004/058702 A2
反应条件
hydrogen; palladium 10 on activated carbon in toluene 8 h; Heating / reflux;
参考文献
MERCK and CO., INC.
Patent: WO2004/58763 A1, 2004 ;
Location in patent: Page 39-40 ;
WO 2004/058763 A1
反应条件
1: With sodium hydroxide in water T=0 - 20°C; 2: With hydrogenchloride in water 4 h; 3: With sodium hydroxide in water pH=9.4;
参考文献
BASF SE
Patent: US2010/174094 A1, 2010 ;
Location in patent: Page/Page column 16 ;
反应条件
pyridinium chlorochromate
参考文献
Nag, Somnath; Nayak, Maloy; Batra, Sanjay
Advanced Synthesis and Catalysis, 2009 , vol. 351, # 16 p. 2715 - 2723
