[Cl:1][C:2]1[CH:7]=[CH:6][C:5](CC#N)=[C:4]([O:11][CH3:12])[CH:3]=1.[OH-:13].[K+].[CH2:15]([OH:18])[CH2:16]O>>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([CH2:16][C:15]([OH:18])=[O:13])=[C:4]([O:11][CH3:12])[CH:3]=1141 g of 4-chloro-2-methoxyphenylacetonitrile are reacted with 83.2 g of potassium hydroxide in 280 ml of ethylene glycol. 148 g of solid are obtained (m.p.: 100° C.).
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