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Potassium Hydroxide → HCID 22112797, 화합물

HRID 564720
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HRID 564720 반응식
Br[C:2]1[O:12][C:5]2=[C:6]([O:10][CH3:11])[N:7]=[CH:8][CH:9]=[C:4]2[CH:3]=1.C(B(CC)[C:16]1[CH:17]=[N:18][CH:19]=[CH:20][CH:21]=1)C.[OH-].[K+]>[I-].C([N+](CCCC)(CCCC)CCCC)CCC.O1CCCC1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Pd]>[CH3:11][O:10][C:6]1[N:7]=[CH:8][CH:9]=[C:4]2[CH:3]=[C:2]([C:16]3[CH:17]=[N:18][CH:19]=[CH:20][CH:21]=3)[O:12][C:5]=12
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 3

HCID 14797Potassium HydroxideHCID 6428513-(Diethylboryl)pyridineHCID 22112801HCID 22112801, 화합물

생성물 1

HCID 22112797HCID 22112797, 화합물수율 50.4%

시약·촉매·용매 3

HCID 67553Tetrabutylammonium Iodide촉매
HCID 11979704
Tetrakis(triphenylphosphine)palladium
촉매
HCID 8028Tetrahydrofuran용매

실험 절차

2-Bromo-7-methoxyfuro[2,3-c]pyridine (0.6 g), diethyl(3-pyridyl)borane (0.387 g), tetrakis(triphenylphosphine)palladium(O) (0.157 g), potassium hydroxide (0.442 g) and tetrabutyl ammonium iodide (0.486 g) were combined in dry tetrahydrofuran (25 ml) under dry nitrogen. The mixture was heated to reflux for 1 hour. The solvent was removed in vacuo, and the residue partitioned between dichloromethane (20 ml) and water (20 ml). The aqueous layer was extracted with dichloromethane (20 ml). The combined organics were washed with water (24×40 ml), dried over magnesium sulfate, filtered and the solvent removed in vacuo. Purification by column chromatography on silica eluting with 2:1 heptane:ethyl acetate gave the title compound (0.30 g) as a white solid.

후처리

  1. temperatureThe mixture was heated
  2. temperatureto reflux for 1 hour
  3. customThe solvent was removed in vacuo
  4. customthe residue partitioned between dichloromethane (20 ml) and water (20 ml)
  5. extractionThe aqueous layer was extracted with dichloromethane (20 ml)
  6. washThe combined organics were washed with water (24×40 ml)
  7. dry with materialdried over magnesium sulfate
  8. filtrationfiltered
  9. customthe solvent removed in vacuo
  10. customPurification by column chromatography on silica eluting with 2:1 heptane

출처 및 근거

ORD 기록
ord-8d7c0c025dfc4f988aa8c774c5b8ca39
출처 데이터셋
uspto-grants-2001_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06169090A

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