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Hydrochloric Acid → 1-[4-amino-2-ethoxymethyl-7-(thiazol-4-ylmethoxy)-1H-imidazo[4,5-c]quinolin-1-yl]-2-methylpropan-2-ol

HRID 2383187
ノート
印刷プレビュー

反応式

HRID 2383187 の反応式
[NH2:1][C:2]1[C:11]2[N:12]=[C:13]([CH2:20][O:21][CH2:22][CH3:23])[N:14]([CH2:15][C:16]([OH:19])([CH3:18])[CH3:17])[C:10]=2[C:9]2[CH:8]=[CH:7][C:6]([OH:24])=[CH:5][C:4]=2[N:3]=1.C(=O)([O-])[O-].[Cs+].[Cs+].Cl[CH2:32][C:33]1[N:34]=[CH:35][S:36][CH:37]=1.Cl>[Br-].C([N+](CCCC)(CCCC)CCCC)CCC.CN(C=O)C.C(N(CC)CC)C>[NH2:1][C:2]1[C:11]2[N:12]=[C:13]([CH2:20][O:21][CH2:22][CH3:23])[N:14]([CH2:15][C:16]([CH3:18])([OH:19])[CH3:17])[C:10]=2[C:9]2[CH:8]=[CH:7][C:6]([O:24][CH2:32][C:33]3[N:34]=[CH:35][S:36][CH:37]=3)=[CH:5][C:4]=2[N:3]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 4

HCID 313Hydrochloric AcidHCID 10796Cesium carbonateHCID 27632904-(Chloromethyl)-1,3-thiazoleHCID 1363405384-amino-2-ethoxymethyl-1-(2-hydroxy-2-methylpropyl)-1H-imidazo[4,5-c]quinolin-7-ol

生成物 1

HCID 575453141-[4-amino-2-ethoxymethyl-7-(thiazol-4-ylmethoxy)-1H-imidazo[4,5-c]quinolin-1-yl]-2-methylpropan-2-ol

試薬・触媒・溶媒 3

HCID 74236
Tetrabutylammonium Bromide
触媒
HCID 6228Dimethylformamide溶媒
HCID 8471Triethylamine溶媒

実験手順

4-Amino-2-ethoxymethyl-1-(2-hydroxy-2-methylpropyl)-1H-imidazo[4,5-c]quinolin-7-ol (100 mg, 0.3 mmol), cesium carbonate (488 mg, 1.5 mmol), 4-(chloromethyl)thiazole.HCl (102 mg, 0.6 mmol), tetrabutylammonium bromide (96 mg, 0.3 mmol), triethylamine (0.5 ml), and DMF (10 mL) were combined and stirred at ambient temperature overnight. The reaction was concentrated under reduced pressure and dichloromethane was added to the residue. Undissolved solids were removed by filtration. The filtrate was concentrated under reduced pressure and subsequently purified by flash column chromatography on silica gel, eluting with a gradient of 0-4% methanol in dichloromethane. The clean fractions were combined and concentrated under reduced pressure. The resulting solid was recrystallized from acetonitrile to yield 62 mg of 1-[4-amino-2-ethoxymethyl-7-(thiazol-4-ylmethoxy)-1H-imidazo[4,5-c]quinolin-1-yl]-2-methylpropan-2-ol as a white powder, mp 190.0-191.0° C.

後処理

  1. concentrationThe reaction was concentrated under reduced pressure and dichloromethane
  2. additionwas added to the residue
  3. customwere removed by filtration
  4. concentrationThe filtrate was concentrated under reduced pressure
  5. customsubsequently purified by flash column chromatography on silica gel
  6. washeluting with a gradient of 0-4% methanol in dichloromethane
  7. concentrationconcentrated under reduced pressure
  8. customThe resulting solid was recrystallized from acetonitrile

出典と根拠

ORDレコード
ord-a9d8b4165c854fdcb009988c7f438a4e
出典データセット
uspto-grants-2012_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08263594B2

反応ノート

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