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Triethylamine → tert-butyl (1-(4-(9H-benzo[f]pyrido[2,3-b][1,2,4]triazolo[4,3-d][1,4]diazepin-3-yl)benzoyl)piperidin-4-yl)carbamate

HRID 44225
ノート
印刷プレビュー

反応式

HRID 44225 の反応式
[N:1]1[N:2]=[C:3]([C:19]2[CH:27]=[CH:26][C:22]([C:23](O)=[O:24])=[CH:21][CH:20]=2)[N:4]2[C:10]=1[C:9]1[CH:11]=[CH:12][CH:13]=[CH:14][C:8]=1[NH:7][C:6]1[N:15]=[CH:16][CH:17]=[CH:18][C:5]2=1.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.C(N(CC)CC)C.[NH:59]1[CH2:64][CH2:63][CH:62]([NH:65][C:66](=[O:72])[O:67][C:68]([CH3:71])([CH3:70])[CH3:69])[CH2:61][CH2:60]1>CN(C=O)C.C(OCC)(=O)C>[N:1]1[N:2]=[C:3]([C:19]2[CH:27]=[CH:26][C:22]([C:23]([N:59]3[CH2:60][CH2:61][CH:62]([NH:65][C:66](=[O:72])[O:67][C:68]([CH3:69])([CH3:71])[CH3:70])[CH2:63][CH2:64]3)=[O:24])=[CH:21][CH:20]=2)[N:4]2[C:10]=1[C:9]1[CH:11]=[CH:12][CH:13]=[CH:14][C:8]=1[NH:7][C:6]1[N:15]=[CH:16][CH:17]=[CH:18][C:5]2=1
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 8471TriethylamineHCID 7238334-(N-Boc-amino)piperidineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 1361637624-(9H-benzo[f]pyrido[2,3-b][1,2,4]triazolo[4,3-d][1,4]diazepin-3-yl)benzoic acid

生成物 1

HCID 136163790
tert-butyl (1-(4-(9H-benzo[f]pyrido[2,3-b][1,2,4]triazolo[4,3-d][1,4]diazepin-3-yl)benzoyl)piperidin-4-yl)carbamate

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 8857Ethyl Acetate溶媒

実験手順

To a solution of the 4-(9H-benzo[f]pyrido[2,3-b][1,2,4]triazolo[4,3-d][1,4]diazepin-3-yl)benzoic acid (0.5 g, 1.4 mmol) in DMF (5 mL) was added HBTU (0.56 g, 1.4 mmol) follwed by triethylamine (0.392 mL, 2.8 mmol). The reaction mixture was stirred at room temperature for 15 minutes then tert-butyl piperidin-4-ylcarbamate (0.31 g, 1.5 mmol) was added and the mixture stirred at room temperature for an additional 3 hours. The mixture was diluted with ethyl acetate (50 mL) and washed with saturated aqueous sodium bicarbonate solution (50 mL) and brine (50 mL). The organic phase was dried over sodium sulfate, filtered and concentrated in vacuo. The crude product was purified by flash chromatography (SiO2, gradient: 50% ethyl acetate in hexanes to 100% ethyl acetate). The tert-butyl (1-(4-(9H-benzo[f]pyrido[2,3-b][1,2,4]triazolo[4,3-d][1,4]diazepin-3-yl)benzoyl)piperidin-4-yl)carbamate was obtained as a white solid (0.478 g, 63%). M.p.=196-202° C.; 400 MHz 1H NMR (DMSO-d6) δ: 8.81 (br.s, 1H), 8.22 (dd, J=4.4, 1.6 Hz, 1H), 7.97 (dd, J=7.6, 1.6 Hz, 1H), 7.52-7.4 (m, 5H), 7.35 (d, J=8.0 Hz, 1H), 7.19 (dd, J=8.0, 1.2 Hz, 1H), 7.14 (dd, J=7.6, 1.2 Hz, 1H), 6.93 (dd, J=8.0, 1.6 Hz, 1H), 6.89 (br.s, 1H), 4.35-4.25 (m, 1H), 3.6-3.45 (m, 2H), 3.2-3.05 (m, 1H), 3.02-2.9 (m, 1H), 1.9-1.65 (m, 2H), 1.38 (s, 9H), 1.35-1.15 (m, 2H); LCMS [M+H]: 538.

後処理

  1. stirringthe mixture stirred at room temperature for an additional 3 hours
  2. washwashed with saturated aqueous sodium bicarbonate solution (50 mL) and brine (50 mL)
  3. dry with materialThe organic phase was dried over sodium sulfate
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe crude product was purified by flash chromatography (SiO2, gradient: 50% ethyl acetate in hexanes to 100% ethyl acetate)

出典と根拠

ORDレコード
ord-6e2029ba04564da5a8f309af0ef185a6
出典データセット
uspto-grants-2013_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08541407B2

反応ノート

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