[C:1]([C:5]1ON=[C:7]([C:10]([NH2:12])=O)[CH:6]=1)([CH3:4])(C)C.CN.[C:15](N)(=[O:19])CCC.[NH2:21][C:22]1C=CC=[CH:24][CH:23]=1>>[CH2:22]([NH:21][C:15]([NH:12][C:10]1[CH:4]=[CH:1][CH:5]=[CH:6][CH:7]=1)=[O:19])[CH2:23][CH3:24]The procedures of Example 1 were repeated except that 5-t-butyl-3-isoxazolylcarboxamide and methylamine were replaced with n-butyramide and aniline, respectively, to give N-propyl-N'-phenylurea in 46.70% yield.
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