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Methyl 7-(2-bromo-4-fluorobenzenesulfonylamino)-furo[2,3-c]quinoline-6-carboxylate → methyl 7-[2((Z)-3-diethylaminoprop-1-enyl)-4-fluorobenzenesulfonylamino]-furo[2,3-c]quinoline-6-carboxylate

HRID 1778335
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1778335
Br[C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[S:9]([NH:12][C:13]1[C:22]([C:23]([O:25][CH3:26])=[O:24])=[C:21]2[C:16]([C:17]3[CH:29]=[CH:28][O:27][C:18]=3[CH:19]=[N:20]2)=[CH:15][CH:14]=1)(=[O:11])=[O:10].[CH2:30]([N:32]([CH2:49][CH3:50])[CH2:33]/[CH:34]=[CH:35]\[Sn](CCCC)(CCCC)CCCC)[CH3:31]>O1CCOCC1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd]>[CH2:30]([N:32]([CH2:49][CH3:50])[CH2:33]/[CH:34]=[CH:35]\[C:2]1[CH:7]=[C:6]([F:8])[CH:5]=[CH:4][C:3]=1[S:9]([NH:12][C:13]1[C:22]([C:23]([O:25][CH3:26])=[O:24])=[C:21]2[C:16]([C:17]3[CH:29]=[CH:28][O:27][C:18]=3[CH:19]=[N:20]2)=[CH:15][CH:14]=1)(=[O:11])=[O:10])[CH3:31]
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 2

HCID 66685289Methyl 7-(2-bromo-4-fluorobenzenesulfonylamino)-furo[2,3-c]quinoline-6-carboxylate2×HCID 86684726N,N-diethyl-N-((Z)-1-tributylstannanylprop-1-en-3-yl)amine2×

Produkt 1

HCID 68093355methyl 7-[2((Z)-3-diethylaminoprop-1-enyl)-4-fluorobenzenesulfonylamino]-furo[2,3-c]quinoline-6-carboxylateAusbeute 15,9 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 9811564
Bis(dibenzylideneacetone)palladium
Katalysator
HCID 312751,4-DioxaneLösungsmittel

Reaktionsbedingungen

Temperatur
100 °C

Versuchsvorschrift

A mixture of methyl 7-(2-bromo-4-fluorobenzenesulfonylamino)-furo[2,3-c]quinoline-6-carboxylate (Intermediate 9, 0.165 g), N,N-diethyl-N-((Z)-1-tributylstannanylprop-1-en-3-yl)-amine (Intermediate 3, 0.3 g), tri-tert-butylphosphinium tetrafluoroborate (0.01 g), tris-(dibenzylideneacetone)dipalladium (0.019 g) in dioxane (6 mL) was degassed then heated at 100° C. for 75 minutes. After cooling, the mixture was evaporated to approximately half volume then partitioned between ethyl acetate and water. The organic layer was washed with water, dried (Na2SO4) and filtered. The filtrate was evaporated to dryness and the residue was purified by chromatography on silica, eluting with a mixture of methanol and DCM, with a gradient of 0-14% to give methyl 7-[2((Z)-3-diethylaminoprop-1-enyl)-4-fluorobenzenesulfonylamino]-furo[2,3-c]quinoline-6-carboxylate (0.028 g) as a yellow solid.

Aufarbeitung

  1. customwas degassed
  2. temperatureAfter cooling
  3. customthe mixture was evaporated to approximately half volume
  4. customthen partitioned between ethyl acetate and water
  5. washThe organic layer was washed with water
  6. dry with materialdried (Na2SO4)
  7. filtrationfiltered
  8. customThe filtrate was evaporated to dryness
  9. customthe residue was purified by chromatography on silica
  10. washeluting with a mixture of methanol and DCM, with a gradient of 0-14%

Quellen und Nachweise

ORD-Eintrag
ord-d8da1858a2354b81aafb2bfaa18b8115
Quelldatensatz
uspto-grants-2016_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US09266896B2

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