Cl.N[CH2:3][C:4]1[CH:9]=[C:8]([CH:10]([CH3:13])[CH2:11][CH3:12])[CH:7]=[C:6]([S:14]([CH3:17])(=[O:16])=[O:15])[C:5]=1[OH:18].C1N2CN3CN(C2)CN1C3.FC(F)(F)C(O)=[O:32]>>[CH:3]([C:4]1[CH:9]=[C:8]([CH:10]([CH3:13])[CH2:11][CH3:12])[CH:7]=[C:6]([S:14]([CH3:17])(=[O:16])=[O:15])[C:5]=1[OH:18])=[O:32]0.48 g (0.0016 mol) of 2-aminomethyl-4-(1-methylpropyl)-6-methylsulfonylphenol hydrochloride is reacted with 0.22 g of hexamethylenetetramine in 3 ml of trifluoroacetic acid in analogy to Example 1. Melting point: 68°-70° C.
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