Hydrochloric Acid → HCID 178462798、化合物
反応式
[CH2:1]([N:3]1[C:12]2[C:7](=[N:8][CH:9]=[C:10]([C:13]3[CH:18]=[CH:17][C:16]([C:19]4[N:23](C5CCCCO5)[CH:22]=[N:21][N:20]=4)=[CH:15][CH:14]=3)[N:11]=2)[NH:6][C:5](=[O:30])[CH2:4]1)[CH3:2].[ClH:31]>C(O)C.O1CCOCC1>[ClH:31].[N:21]1[N:20]=[C:19]([C:16]2[CH:17]=[CH:18][C:13]([C:10]3[N:11]=[C:12]4[N:3]([CH2:1][CH3:2])[CH2:4][C:5](=[O:30])[NH:6][C:7]4=[N:8][CH:9]=3)=[CH:14][CH:15]=2)[NH:23][CH:22]=1参加物
5
反応条件
- 温度
- 75 °C
実験手順
4-Ethyl-6-(4-(4-(tetrahydro-2H-pyran-2-yl)-4H-1,2,4-triazol-3-yl)phenyl)-3,4-dihydropyrazino[2,3-b]pyrazin-2(1H)-one in ethanol was treated with 2 N hydrogen chloride in dioxane. The solution was stirred at 75° C. for 1 h. The solution was condensed partially and cooled. Cold ethanol was added to the slurry and the resulting precipitate filtered and washed with additional cold ethanol followed by hexanes to afford the title compound as the hydrochloride salt in 82% yield. 1H NMR (400 MHz, METHANOL-d4) δ (ppm) 9.18 (s, 1H), 8.22 (d, J=8.59 Hz, 2H), 8.04-8.09 (m, 3H), 7.66-7.74 (m, 1H), 7.58-7.64 (m, 1H), 4.24 (s, 2H), 3.74 (q, J=7.03 Hz, 2H), 1.29 (t, J=7.03 Hz, 4H), 0.79-0.98 (m, 4H); MS (ESI) m/z 322.2 [M+1]+.
後処理
- customcondensed partially
- temperaturecooled
- filtrationthe resulting precipitate filtered
- washwashed with additional cold ethanol
出典と根拠
- ORDレコード
- ord-cde4db7a1d6f42d5a50dc84d2fc6ab2b
- 出典データセット
- uspto-grants-2013_10
- 特許番号
- US08569494B2
反応ノート
読み込み中…