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Triethylamine → 1H-Imidazole-2-propanol, 5-((3,5-dichlorophenyl)thio)-4-(1-methylethyl)-1-(4-pyridinylmethyl)-, carbamate (ester)

HRID 1857778
ノート
印刷プレビュー

反応式

HRID 1857778 の反応式
[Cl:1][C:2]1[CH:3]=[C:4]([S:9][C:10]2[N:14]([CH2:15][C:16]3[CH:21]=[CH:20][N:19]=[CH:18][CH:17]=3)[C:13]([CH2:22][CH2:23][CH2:24][OH:25])=[N:12][C:11]=2[CH:26]([CH3:28])[CH3:27])[CH:5]=[C:6]([Cl:8])[CH:7]=1.ClC(Cl)(Cl)[C:31]([N:33]=C=O)=[O:32].C(N(CC)CC)C>O1CCCC1.O>[C:31]([O:25][CH2:24][CH2:23][CH2:22][C:13]1[N:14]([CH2:15][C:16]2[CH:21]=[CH:20][N:19]=[CH:18][CH:17]=2)[C:10]([S:9][C:4]2[CH:3]=[C:2]([Cl:1])[CH:7]=[C:6]([Cl:8])[CH:5]=2)=[C:11]([CH:26]([CH3:28])[CH3:27])[N:12]=1)(=[O:32])[NH2:33]
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

6

反応物 3

HCID 8471TriethylamineHCID 76400Trichloroacetyl isocyanateHCID 4740981H-Imidazole-2-propanol, 5-((3,5-dichlorophenyl)thio)-4-(1-methylethyl)-1-(4-pyridinylmethyl)-

生成物 1

HCID 4740991H-Imidazole-2-propanol, 5-((3,5-dichlorophenyl)thio)-4-(1-methylethyl)-1-(4-pyridinylmethyl)-, carbamate (ester)収率 79.5%

試薬・触媒・溶媒 2

HCID 962
Water
溶媒
2 回
HCID 8028Tetrahydrofuran溶媒

反応条件

温度
-40 °C

実験手順

In 7 ml of dry tetrahydrofuran was dissolved 700 mg (1.6 mmol) of the alcohol (137c), and after the solution was cooled to -40° C., 450 mg (2.4 mmol) of trichloroacetyl isocyanate was added and the temperature was elevated gradually to room temperature. After stirring for 30 minutes, 2 ml of water and 1 ml of triethylamine were added and the mixture was stirred at room temperature for 3 days. The reaction mixture was diluted with water and extracted with ethyl acetate. The extract was washed with water, dried over sodium sulfate, filtered, and concentrated under reduced pressure. The residue was purified by silica gel column chromatography (5% methanol-ethyl acetate) and recrystallized from ethyl acetate-n-hexane to provide 610 mg (yield 79%) of Compound I-150 as crystals. mp 114-115° C.

後処理

  1. customwas elevated gradually to room temperature
  2. stirringthe mixture was stirred at room temperature for 3 days
  3. extractionextracted with ethyl acetate
  4. washThe extract was washed with water
  5. dry with materialdried over sodium sulfate
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customThe residue was purified by silica gel column chromatography (5% methanol-ethyl acetate)
  9. customrecrystallized from ethyl acetate-n-hexane

出典と根拠

ORDレコード
ord-b44860d8257f4f6693dce5d09c7bb0c7
出典データセット
uspto-grants-2000_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06147097

反応ノート

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