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Triethylamine → Tert-butyl {[6-(5-cyanopent-1-yn-1-yl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate

HRID 1986502
ノート
印刷プレビュー

反応式

HRID 1986502 の反応式
FC(F)(F)S(O[C:7]1[CH:8]=[C:9]2[C:14](=[CH:15][CH:16]=1)[N:13]=[C:12]([CH2:17][CH:18]([CH3:20])[CH3:19])[C:11]([CH2:21][NH:22][C:23]([O:25][C:26]([CH3:29])([CH3:28])[CH3:27])=[O:24])=[C:10]2[C:30]1[CH:35]=[CH:34][C:33]([CH3:36])=[CH:32][CH:31]=1)(=O)=O.[C:39](#[N:45])[CH2:40][CH2:41][CH2:42][C:43]#[CH:44].C(N(CC)CC)C>O1CCCC1.C(OCC)(=O)C.[Cu](I)I>[C:39]([CH2:40][CH2:41][CH2:42][C:43]#[C:44][C:7]1[CH:8]=[C:9]2[C:14](=[CH:15][CH:16]=1)[N:13]=[C:12]([CH2:17][CH:18]([CH3:19])[CH3:20])[C:11]([CH2:21][NH:22][C:23](=[O:24])[O:25][C:26]([CH3:27])([CH3:28])[CH3:29])=[C:10]2[C:30]1[CH:35]=[CH:34][C:33]([CH3:36])=[CH:32][CH:31]=1)#[N:45]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 8471TriethylamineHCID 1398525-HexynenitrileHCID 510503433-{[(Tert-butoxycarbonyl)amino]methyl}-2-isobutyl-4-(4-methylphenyl)quinolin-6-yl trifluoromethanesulfonate

生成物 1

HCID 86605666Tert-butyl {[6-(5-cyanopent-1-yn-1-yl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate収率 84.3%

試薬・触媒・溶媒 3

HCID 83717
Copper iodide
触媒
HCID 8028Tetrahydrofuran溶媒
HCID 8857Ethyl Acetate溶媒

反応条件

温度
80 °C

実験手順

To a solution of 3-{[(tert-butoxycarbonyl)amino]methyl}-2-isobutyl-4-(4-methylphenyl)quinolin-6-yl trifluoromethanesulfonate (3.03 g, 6.13 mmol), copper iodide (176 mg, 0.920 mmol) and hex-5-ynenitrile (2.86 g, 30.7 mmol) in tetrahydrofuran (30 ml)-triethylamine (10 ml) was added dichlorobistriphenylphosphinepalladium (431 mg, 0.613 mmol), and the mixture was stirred under an argon atmosphere at 80° C. for 10 min. The reaction mixture was diluted with ethyl acetate, washed with saturated aqueous ammonium chloride solution, and dried over anhydrous magnesium sulfate. The solvent was evaporated under reduced pressure to give black crystals. The crystals were recrystallized from ethyl acetate-n-hexane to give tert-butyl {[6-(5-cyanopent-1-yn-1-yl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate (2.56 g, yield 84%) as white crystals. Subsequently, tert-butyl {[6-(5-cyanopent-1-yn-1-yl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate (2.56 g, 5.17 mmol) and 10% palladium-carbon (550 mg) were suspended in a mixed solvent of ethanol (200 ml)-tetrahydrofuran (35 ml) and the mixture was stirred under a hydrogen atmosphere at room temperature for 3.5 hrs. The reaction mixture was filtered, and the filtrate was concentrated under reduced pressure to give tert-butyl {[6-(5-cyanopentyl)-2-isobutyl-4-(4-methylphenyl)quinolin-3-yl]methyl}carbamate (2.37 g, yield 92%) as white crystals.

後処理

  1. washwashed with saturated aqueous ammonium chloride solution
  2. dry with materialdried over anhydrous magnesium sulfate
  3. customThe solvent was evaporated under reduced pressure
  4. customto give black crystals
  5. customThe crystals were recrystallized from ethyl acetate-n-hexane

出典と根拠

ORDレコード
ord-d264ace2574e46fc9d22aede764dab4d
出典データセット
uspto-grants-2009_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07547710B2

反応ノート

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