Sodium Carbonate → 2-(6-chloro-5-methyl-2-(triethylsilyl)-1H-indol-3-yl)ethanol

HRID 1777547

반응식

HRID 1777547 반응식
[Cl:1][C:2]1[C:3]([CH3:10])=[CH:4][C:5](I)=[C:6]([CH:8]=1)[NH2:7].[CH2:11]([Si:13]([CH2:21][CH3:22])([CH2:19][CH3:20])[C:14]#[C:15][CH2:16][CH2:17][OH:18])[CH3:12].[Cl-].[Li+].C(=O)([O-])[O-].[Na+].[Na+]>CN(C=O)C.C1(P([C-]2C=CC=C2)C2C=CC=CC=2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2].[Pd](Cl)Cl>[Cl:1][C:2]1[CH:8]=[C:6]2[C:5]([C:15]([CH2:16][CH2:17][OH:18])=[C:14]([Si:13]([CH2:19][CH3:20])([CH2:21][CH3:22])[CH2:11][CH3:12])[NH:7]2)=[CH:4][C:3]=1[CH3:10]

참가 물질

8

반응물 4

HCID 10340Sodium CarbonateHCID 433294Lithium ChlorideHCID 27606944-(Triethylsilyl)-3-butyn-1-olHCID 584754055-Chloro-2-iodo-4-methylaniline

생성물 1

HCID 668320342-(6-chloro-5-methyl-2-(triethylsilyl)-1H-indol-3-yl)ethanol수율 79.2%

시약·촉매·용매 3

HCID 24290Palladium Chloride촉매HCID 635956Ferrocene-1,1'-bis-(diphenylphosphine)촉매HCID 6228Dimethylformamide용매

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온도
100 °C

실험 절차

5-Chloro-2-iodo-4-methylaniline (1.50 g; 5.61 mmol), 4-(triethylsilyl)but-3-yn-1-ol (2.36 mL; 11.22 mmol), bis(diphenylphosphino)ferrocene]palladium(II) chloride (0.229 g; 0.280 mmol), lithium chloride (0.237 g; 5.61 mmol) and sodium carbonate (1.19 g; 11.22 mmol) were suspended in DMF (14 mL) and the mixture was stirred at 100° C. for 15 hours. The solution was concentrated under reduced pressure and diluted in ethyl acetate. The organic layer was successively washed with brine, sodium thiosulfate, dried and concentrated under reduced pressure. The crude residue was purified by flash chromatography on silica gel (eluent 2 to 20% ethyl acetate in heptane) to afford 1.44 g (79%) of the title compound as a brown oil.

후처리

  1. concentrationThe solution was concentrated under reduced pressure
  2. additiondiluted in ethyl acetate
  3. washThe organic layer was successively washed with brine, sodium thiosulfate
  4. customdried
  5. concentrationconcentrated under reduced pressure
  6. customThe crude residue was purified by flash chromatography on silica gel (eluent 2 to 20% ethyl acetate in heptane)

출처 및 근거

ORD 기록
ord-ee49a50d6c294683bf745121c4d41c47
출처 데이터셋
uspto-grants-2016_02
특허 번호
US09266832B2

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