Cl[C:2]1[CH:7]=[C:6]([Cl:8])[N:5]=[C:4]([NH:9][CH2:10][C:11]([CH3:14])([CH3:13])[CH3:12])[N:3]=1.[NH:15]1[CH2:19][CH2:18][CH2:17][CH2:16]1>>[Cl:8][C:6]1[CH:7]=[C:2]([N:15]2[CH2:19][CH2:18][CH2:17][CH2:16]2)[N:3]=[C:4]([NH:9][CH2:10][C:11]([CH3:14])([CH3:13])[CH3:12])[N:5]=14,6-Dichloro-2-(2,2-dimethylpropylamino)pyrimidine is reacted with pyrrolidine as described in Example 7 to give the title compound in a yield of 96.7%, m.p.:147°-150° C.
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