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Hydrochloric Acid → 5-phenyl-1H-indole

HRID 1827984
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HRID 1827984 반응식
[NH:1]1[C:9]2[C:4](=[CH:5][C:6](B(O)O)=[CH:7][CH:8]=2)[CH:3]=[CH:2]1.I[C:14]1[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1.C(=O)([O-])[O-].[Na+].[Na+].Cl>O.[Pd].C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.O1CCOCC1>[C:14]1([C:6]2[CH:5]=[C:4]3[C:9](=[CH:8][CH:7]=2)[NH:1][CH:2]=[CH:3]3)[CH:19]=[CH:18][CH:17]=[CH:16][CH:15]=1
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참가 물질

8

반응물 4

HCID 313Hydrochloric AcidHCID 10340Sodium CarbonateHCID 11575IodobenzeneHCID 27343615-Indolylboronic acid

생성물 1

HCID 114582105-phenyl-1H-indole수율 67.9%

시약·촉매·용매 3

HCID 11979704Tetrakis(triphenylphosphine)palladium
촉매
HCID 962Water용매
HCID 312751,4-Dioxane용매

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온도
100 °C

실험 절차

A mixture of indole-5-boronic acid (2.0 g, 12.4 mmole); iodobenzene (2.48 g, 12.2 mmole), tetrakis(triphenylphosphine) palladium (0) (288 mg, 0.25 mmole), sodium carbonate (4.34 g, 40.9 mmole) in water (20 ml), and dioxane (20 ml) was stirred under an argon atmosphere and heated to 100° C. for 5 hrs, cooled to room temperature, acidified with 1M HCl, extracted, washed, dried, and evaporated. The residue was purified by chromatography to give about 1.6 g of 5-phenyl-1H-indole, mp. 72–74° C.

후처리

  1. temperaturecooled to room temperature
  2. extractionextracted
  3. washwashed
  4. customdried
  5. customevaporated
  6. customThe residue was purified by chromatography

출처 및 근거

ORD 기록
ord-96ba3f538ab24323931c82217f60243f
출처 데이터셋
uspto-grants-2006_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07056903B2

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