反应条件
1: 2,4-dimethyl-6-oxo-1,6-dihydro-pyridine-3-carboxylic acid With trichlorophosphate
T=80°C;
2: ethanol T=0 - 20°C; 0.5 h;
参考文献
Lemoine, Remy; Melville, Chris Richard; Rotstein, David Mark; Wanner, Jutta
Patent: US2007/191335 A1, 2007 ;
Location in patent: Page/Page column 45 ;
US 20070191335 A1
