Triethylamine → (2E)-3-[4-amino-2-ethyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-imidazo[4,5-c]quinolin-7-yl]-N,N-dimethylprop-2-enamide

HRID 244881

反応式

HRID 244881 の反応式
Br[C:2]1[CH:3]=[CH:4][C:5]2[C:6]3[N:15]([CH2:16][CH:17]4[CH2:22][CH2:21][O:20][CH2:19][CH2:18]4)[C:14]([CH2:23][CH3:24])=[N:13][C:7]=3[C:8]([NH2:12])=[N:9][C:10]=2[CH:11]=1.C1(C)C=CC=CC=1P(C1C=CC=CC=1C)C1C=CC=CC=1C.C(N(CC)CC)C.[CH3:54][N:55]([CH3:60])[C:56](=[O:59])[CH:57]=[CH2:58]>CN(C)C=O.C([O-])(=O)C.[Pd+2].C([O-])(=O)C>[NH2:12][C:8]1[C:7]2[N:13]=[C:14]([CH2:23][CH3:24])[N:15]([CH2:16][CH:17]3[CH2:22][CH2:21][O:20][CH2:19][CH2:18]3)[C:6]=2[C:5]2[CH:4]=[CH:3][C:2](/[CH:58]=[CH:57]/[C:56]([N:55]([CH3:60])[CH3:54])=[O:59])=[CH:11][C:10]=2[N:9]=1

参加物

7

反応物 4

HCID 8471TriethylamineHCID 17587N,N-DimethylacrylamideHCID 80271Tri-o-tolylphosphineHCID 690807877-bromo-2-ethyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-imidazo[4,5-c]quinolin-4-amine

生成物 1

HCID 57657266(2E)-3-[4-amino-2-ethyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-imidazo[4,5-c]quinolin-7-yl]-N,N-dimethylprop-2-enamide収率 63.8%

試薬・触媒・溶媒 2

HCID 167845palladium(II) acetate触媒HCID 6228Dimethylformamide溶媒3 回

反応条件

温度
120 °C

実験手順

A thick walled glass vessel, equipped with a stir bar, was charged with a warmed solution of 7-bromo-2-ethyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-imidazo[4,5-c]quinolin-4-amine (0.58 g, 1.5 mmol) in N,N-dimethylformamide (10 mL). To the solution was added in succession, a solution of palladium acetate (37 mg, 0.15 mmol) and tri-ortho-tolylphosphine (91 mg, 0.3 mmol) in N,N-dimethylformamide (5 mL), triethylamine (3.0 eq. 0.6 mL), and a solution of N,N-dimethylacrylamide (178 mg, 1.8 mmol) in N,N-dimethylformamide (2 mL). The reaction mixture was purged with nitrogen. The vessel was sealed and heated at 120° C. for 18 hours. The reaction was cooled to ambient temperature and then concentrated to dryness under reduced pressure. The resulting solid was dissolved in dichloromethane (100 mL) and washed with saturated aqueous potassium carbonate (50 mL). The fractions were separated and the organic fraction was concentrated to dryness. The resulting off-white solid was purified by chromatography using a HORIZON HPFC system, (silica cartridge, 0-15% CMA/chloroform). A final recrystallization from acetonitrile provided 390 mg of (2E)-3-[4-amino-2-ethyl-1-(tetrahydro-2H-pyran-4-ylmethyl)-1H-imidazo[4,5-c]quinolin-7-yl]-N,N-dimethylprop-2-enamide as an off-white crystalline solid, mp>260° C.

後処理

  1. customA thick walled glass vessel, equipped with a stir bar
  2. additionTo the solution was added in succession
  3. customThe reaction mixture was purged with nitrogen
  4. customThe vessel was sealed
  5. temperatureThe reaction was cooled to ambient temperature
  6. concentrationconcentrated to dryness under reduced pressure
  7. dissolutionThe resulting solid was dissolved in dichloromethane (100 mL)
  8. washwashed with saturated aqueous potassium carbonate (50 mL)
  9. customThe fractions were separated
  10. concentrationthe organic fraction was concentrated to dryness
  11. customThe resulting off-white solid was purified by chromatography
  12. customA final recrystallization from acetonitrile

出典と根拠

ORDレコード
ord-19a8b4a415304423bbbf1ac1baa5575b
出典データセット
uspto-grants-2014_02
特許番号
US08658666B2

関連ノート

読み込み中…