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Potassium Hydroxide → HCID 22112797、化合物

HRID 564720
ノート
印刷プレビュー

反応式

HRID 564720 の反応式
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
参加物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 14797Potassium HydroxideHCID 6428513-(Diethylboryl)pyridineHCID 22112801HCID 22112801、化合物

生成物 1

HCID 22112797HCID 22112797、化合物収率 50.4%

試薬・触媒・溶媒 3

HCID 67553Tetrabutylammonium Iodide触媒
HCID 11979704
Tetrakis(triphenylphosphine)palladium
触媒
HCID 8028Tetrahydrofuran溶媒

実験手順

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.

後処理

  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

出典と根拠

ORDレコード
ord-8d7c0c025dfc4f988aa8c774c5b8ca39
出典データセット
uspto-grants-2001_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06169090A

反応ノート

読み込み中…

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