反应条件
1: 1-carboxy-2-(3,4-dihydroxyphenyl)ethylene With di(2,6-tetramethylpiperidine-N-oxyl)-4-yl-1,10-decanoic acid diester; potassium acetate in DMF (N,N-dimethyl-formamide)
T=100°C; 5.25 h;
2: acetic anhydride in DMF (N,N-dimethyl-formamide)
T=20°C; 1.25 h;
参考文献
Kunitsky, Keith; Shah, Mukesh C.; Shuey, Steven W.; Trost, Barry M.; Wagman, Mark E.
Patent: US2005/228191 A1, 2005 ;
Location in patent: Page/Page column 9 ;
