Cl[C:2]1[S:6][N:5]=[C:4]([CH:7]2[CH2:12][CH2:11][CH2:10][CH2:9][CH2:8]2)[N:3]=1.Cl.Cl.[CH3:15][O:16][C:17]1[CH:30]=[CH:29][C:20]([CH2:21][CH2:22][N:23]2[CH2:28][CH2:27][NH:26][CH2:25][CH2:24]2)=[CH:19][CH:18]=1.CCN(C(C)C)C(C)C>CCO>[CH:7]1([C:4]2[N:3]=[C:2]([N:26]3[CH2:25][CH2:24][N:23]([CH2:22][CH2:21][C:20]4[CH:29]=[CH:30][C:17]([O:16][CH3:15])=[CH:18][CH:19]=4)[CH2:28][CH2:27]3)[S:6][N:5]=2)[CH2:12][CH2:11][CH2:10][CH2:9][CH2:8]1A mixture of 5-chloro-3-cyclohexyl-1,2,4-thiadiazole (32.0 mg, 158 μmol), 1-(4-methoxyphenethyl)piperazine dihydrochloride (51.0 mg, 174 μmol) and DIPEA in EtOH was heated for 30 min at an oil bath temperature of 90° C. The mixture was subjected to purification by preparative HPLC on reversed phase eluting with a gradient formed from acetonitrile, water and NEt3 to yield after evaporation of the product containing fractions 13.7 mg (22%) of the title compound as light brown solid. MS (m/e): 387.3 (MH+).
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