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1-Methylpiperazine → 2-(1-Isopropyl-1H-1,2,4-triazol-5-yl)-10-(4-methylpiperazin-1-yl)-5,6-dihydroimidazo[1,2-d]pyrido[4,3-f][1,4]oxazepine

HRID 1498299
ノート
印刷プレビュー

反応式

HRID 1498299 の反応式
Cl[C:2]1[N:12]=[CH:11][C:10]2[O:9][CH2:8][CH2:7][N:6]3[CH:13]=[C:14]([C:16]4[N:20]([CH:21]([CH3:23])[CH3:22])[N:19]=[CH:18][N:17]=4)[N:15]=[C:5]3[C:4]=2[CH:3]=1.[CH3:24][N:25]1[CH2:30][CH2:29][NH:28][CH2:27][CH2:26]1.C(N1CCN2CCN(CCCC)P1N(CCCC)CC2)CCC.CC(C)([O-])C.[Na+]>O1CCOCC1.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[CH:21]([N:20]1[C:16]([C:14]2[N:15]=[C:5]3[C:4]4[CH:3]=[C:2]([N:28]5[CH2:29][CH2:30][N:25]([CH3:24])[CH2:26][CH2:27]5)[N:12]=[CH:11][C:10]=4[O:9][CH2:8][CH2:7][N:6]3[CH:13]=2)=[N:17][CH:18]=[N:19]1)([CH3:23])[CH3:22]
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 531671-MethylpiperazineHCID 23676156Sodium t-butoxideHCID 575886892,8,9-Tributyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecaneHCID 5820431910-chloro-2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[4,3-f][1,4]oxazepine

生成物 1

HCID 582043332-(1-Isopropyl-1H-1,2,4-triazol-5-yl)-10-(4-methylpiperazin-1-yl)-5,6-dihydroimidazo[1,2-d]pyrido[4,3-f][1,4]oxazepine

試薬・触媒・溶媒 2

HCID 167845palladium(II) acetate触媒HCID 312751,4-Dioxane溶媒

実験手順

A mixture of 10-chloro-2-(1-isopropyl-1H-1,2,4-triazol-5-yl)-5,6-dihydroimidazo[1,2-d]pyrido[4,3-f][1,4]oxazepine (132 mg, 0.400 mmol), 1-methyl-piperazine (88.7 uL, 0.800 mmol), palladium acetate (44.9 mg, 0.200 mmol), 2,8,9-tri-1-butyl-2,5,8,9-tetraaza-1-phosphabicyclo[3.3.3]undecane (71.0 uL, 0.200 mmol) and Sodium tert-butoxide (38.4 mg, 0.400 mmol) in 1,4-Dioxane (8.0 mL) was degassed. The reaction was microwaved on 200 watts, 120° C. for 30 minutes. The mixture was filtered and the filtrate concentrated in vacuum. The residue was partitioned between water and ethyl acetate. The organic extracts were washed with water, brine and dried over MgSO4 and concentrated in vacuum. The residue was purified on 4 g silica column using 5-10% gradient of methanol containing 1% of ammonia in DCM to give 234. Yield 50 mg (30%). MS: 395.2. 1H NMR (500 MHz, DMSO) δ 8.04 (s, 1H), 8.03 (s, 1H), 7.94 (s, 1H), 7.63 (s, 1H), 5.69 (dt, J=13.3, 6.6, 1H), 4.61-4.53 (m, 2H), 4.49-4.41 (m, 2H), 3.41 (s, 4H), 2.45 (s, 4H), 2.23 (s, 3H), 1.50 (d, J=6.6, 6H).

後処理

  1. customwas degassed
  2. customThe reaction was microwaved on 200 watts, 120° C. for 30 minutes
  3. filtrationThe mixture was filtered
  4. concentrationthe filtrate concentrated in vacuum
  5. customThe residue was partitioned between water and ethyl acetate
  6. washThe organic extracts were washed with water, brine
  7. dry with materialdried over MgSO4
  8. concentrationconcentrated in vacuum
  9. customThe residue was purified on 4 g silica column

出典と根拠

ORDレコード
ord-c46cad385bae4f5ea234da49faad832d
出典データセット
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09198918B2

反応ノート

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