Dichloro-(2-methylphenylthio)-1,2,4-triazine 、
potassium carbonate 、
(E)-3-methoxy-2-(2-hydroxyphenyl)acrylic acid methyl ester 、
18-冠醚-6 、
氟化铯 在
Acetonitrile;dichloromethane;hexane 作用下,
以
乙腈 为溶剂,
反应 11.5h,
以n-hexane-dichloromethane-acetonitrile (16:4:1) as eluent to afford (E)-methyl 2-[2-(6-chloro-3-[2-methylphenylthio]-1,2,4-triazin-5-yloxy)-phenyl]-3-methoxypropenoate as a pale yellow gum (0.16 g, 28%)的产率得到(E)-methyl 2-[2-(6-chloro-3-[2-methylphenylthio]-1,2,4-triazin-5-yloxy)phenyl]-3-methoxypropenoate