[C:1]([C:3]1[CH:8]=[CH:7][C:6]([N:9]2[CH:18]=[C:17]3[C:11]([CH2:12][CH2:13][N:14](C(OC(C)(C)C)=O)[CH2:15][CH2:16]3)=[N:10]2)=[CH:5][CH:4]=1)#[N:2].Cl.CO>O1CCOCC1>[N:10]1[N:9]([C:6]2[CH:7]=[CH:8][C:3]([C:1]#[N:2])=[CH:4][CH:5]=2)[CH:18]=[C:17]2[CH2:16][CH2:15][NH:14][CH2:13][CH2:12][C:11]=121,1-Dimethylethyl 2-(4-cyanophenyl)-4,5,7,8-tetrahydropyrazolo[3,4-d]azepine-6(2H)-carboxylate (may be prepared as described in Description 10) (150 mg, 0.443 mmol) was dissolved in 1,4-dioxan (ml) and 4M hydrogen chloride in 1,4-dioxan (3 ml) added. The mixture was stirred at room temperature for 2 hours. Methanol was added and the mixture purified on 10 g SCX column, eluting initially with methanol, than with 2M ammonia in methanol. Evaporation of the basic fractions gave the title compound (D11). MS (ES+) m/e 239 [M+H]+
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