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Lithium hydroxide, monohydrate → 4-(4-(Dibutylcarbamoyl)-1-methyl-1H-imidazol-2-yl)-3-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)benzoic acid

HRID 528998
ノート
印刷プレビュー

反応式

HRID 528998 の反応式
[CH2:1]([N:5]([CH2:36][CH2:37][CH2:38][CH3:39])[C:6]([C:8]1[N:9]=[C:10]([C:14]2[CH:23]=[CH:22][C:17]([C:18]([O:20]C)=[O:19])=[CH:16][C:15]=2[C:24]([N:26]2[CH2:35][CH2:34][C:33]3[C:28](=[CH:29][CH:30]=[CH:31][CH:32]=3)[CH2:27]2)=[O:25])[N:11]([CH3:13])[CH:12]=1)=[O:7])[CH2:2][CH2:3][CH3:4].C1COCC1.CO.O.O[Li].O>O>[CH2:1]([N:5]([CH2:36][CH2:37][CH2:38][CH3:39])[C:6]([C:8]1[N:9]=[C:10]([C:14]2[CH:23]=[CH:22][C:17]([C:18]([OH:20])=[O:19])=[CH:16][C:15]=2[C:24]([N:26]2[CH2:35][CH2:34][C:33]3[C:28](=[CH:29][CH:30]=[CH:31][CH:32]=3)[CH2:27]2)=[O:25])[N:11]([CH3:13])[CH:12]=1)=[O:7])[CH2:2][CH2:3][CH3:4]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 168937Lithium hydroxide, monohydrateHCID 21892291Methanol tetrahydrofuran waterHCID 71062400Methyl 4-(4-(dibutylcarbamoyl)-1-methyl-1H-imidazol-2-yl)-3-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)benzoate

生成物 1

HCID 710623034-(4-(Dibutylcarbamoyl)-1-methyl-1H-imidazol-2-yl)-3-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)benzoic acid収率 88.7%

試薬・触媒・溶媒 1

HCID 962
Water
溶媒

実験手順

To a solution of methyl 4-(4-(dibutylcarbamoyl)-1-methyl-1H-imidazol-2-yl)-3-(1,2,3,4-tetrahydroisoquinoline-2-carbonyl)benzoate (65 mg, 0.12 mmol) in mixed solvents (THF/MeOH/H2O; 2:2:1; 5 mL) was added LiOH H2O (15 mg, 0.36 mmol) at 0° C. The reaction mixture was allowed to room temperature over 30 min. and stirring was continued for 1 h. The reaction mixture was concentrated to give crude product, which was diluted with water and extracted with MTBE. The aqueous layer was neutralized with 0.5N HCl and extracted with DCM (3×). The combined organic layer was dried over Na2SO4 and concentrated in vacuo to give the title compound (55 mg, 87%). 1H NMR (CD3OD, 1:1 mixture of amide rotamers) δ 8.28 (dd, J=8.0, 1.6 Hz, 1H), 8.14 (s, 1H), 7.77 (dd, J=13.6, 8.4 Hz, 1H), 7.63 (s, 0.5H), 7.51 (s, 0.5H), 7.23-7.13 (m, 3.5H), 6.95 (d, J=9.2 Hz, 0.5H), 4.79 (s, 1H), 4.48 (s, 1H), 3.77 (s, 1.5H), 3.68 (s, 1.5H), 3.58-3.01 (m, 6H), 2.88-2.80 (m, 2H), 1.60-1.40 (m, 2H), 1.39-1.20 (m, 4H), 1.19-1.00 (m, 2H), 0.99-0.90 (m, 3H), 0.85-0.75 (m, 3H); MS(ESI+) m/z 517.4 (M+H)+.

後処理

  1. waitwas continued for 1 h
  2. concentrationThe reaction mixture was concentrated
  3. customto give crude product, which
  4. extractionextracted with MTBE
  5. extractionextracted with DCM (3×)
  6. dry with materialThe combined organic layer was dried over Na2SO4
  7. concentrationconcentrated in vacuo

出典と根拠

ORDレコード
ord-0888a8da8e8e42d689d8dabb1ecdae4a
出典データセット
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09346795B2

反応ノート

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