[CH2:1](OC(C1OC2C=CC(O)=CC=2N=1)=O)[CH2:2][CH3:3].[Cl:17][C:18]1[CH:19]=[CH:20][C:21]2[O:25][C:24]([C:26]([O-:28])=[O:27])=[N:23][C:22]=2[C:29]=1[OH:30]>>[Cl:17][C:18]1[CH:19]=[CH:20][C:21]2[O:25][C:24]([C:26]([O:28][CH2:1][CH2:2][CH3:3])=[O:27])=[N:23][C:22]=2[C:29]=1[OH:30]When the carboxylic acid of Example 29 is replaced by 5-chloro-4-hydroxybenzoxazole-2-carboxylate, n-propyl 5-chloro-4-hydroxybenzoxazole-2-carboxylate is obtained.
読み込み中…