1: methacrylic acid methyl ester With (10H)-phenothiazine; 4-methoxy-phenol Heating / refluxNeat (no solvent); 2: With di(n-butyl)tin oxide T=70 - 101°C; Heating / refluxNeat (no solvent); 3: 2-(dimethylamino)-ethanol; 3-(dimethylamino)-n-propylamine With titanium(IV) isopropylate Product distribution / selectivity; more than 3 stages;
参考文献
Liu, Leo Zhaoqing
Patent: US2008/234515 A1, 2008 ;
Location in patent: Page/Page column 4- 5 ;