2-(ethyl(4-(1,3,3-trimethylspiro[indoline-2,2'-naphtho[1,2-b][1,4]oxazine]-6'-yl)phenyl)amino)ethanol 在
三乙胺 作用下,
以
4-(dicyanomethylene)-2-methyl-6-(p-dimethylaminostyryl)-4H-pyran 、
丙酰氯 为溶剂,
生成 2-(ethyl(4-(1,3,3-trimethylspiro[indoline-2,2'-naphtho[1,2-b][1,4]oxazine]-6'-yl)phenyl)amino)ethyl propionate