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Ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate → Ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate

HRID 1584825
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1584825
Br[C:2]1[C:11]([O:12][CH3:13])=[C:10]2[C:5]([C:6](=[O:22])[C:7]([C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:8][N:9]2[CH:14]2[CH2:16][CH2:15]2)=[CH:4][C:3]=1[F:23].[C:24]1([CH3:55])[CH:29]=[CH:28][C:27]([S:30]([N:33]2[CH2:41][C:40]3[C:35](=[CH:36][CH:37]=[C:38]([Sn](CCCC)(CCCC)CCCC)[CH:39]=3)[CH2:34]2)(=[O:32])=[O:31])=[CH:26][CH:25]=1>C1(C)C=CC=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.Cl[Pd]Cl>[CH:14]1([N:9]2[C:10]3[C:5](=[CH:4][C:3]([F:23])=[C:2]([C:37]4[CH:36]=[C:35]5[C:40](=[CH:39][CH:38]=4)[CH2:41][N:33]([S:30]([C:27]4[CH:28]=[CH:29][C:24]([CH3:55])=[CH:25][CH:26]=4)(=[O:32])=[O:31])[CH2:34]5)[C:11]=3[O:12][CH3:13])[C:6](=[O:22])[C:7]([C:17]([O:19][CH2:20][CH3:21])=[O:18])=[CH:8]2)[CH2:16][CH2:15]1
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Komponenten

5

Edukt 2

HCID 15870853Ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylateHCID 158708542-(p-Toluenesulfonyl)-5-tributylstannylisoindoline

Produkt 1

HCID 15870843Ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6102075
Dichlorobis(triphenylphosphine)palladium
Katalysator
HCID 1140TolueneLösungsmittel

Versuchsvorschrift

In 5 ml of toluene was suspended 0.25 g of ethyl 7-bromo-1-cyclopropyl-6-fluoro-8-methoxy-1,4-dihydro-4-oxoquinoline-3-carboxylate, and to this suspension were added 0.55 g of 2-(p-toluenesulfonyl)-5-tributylstannylisoindoline and 0.09 g of bis(triphenylphosphine)palladium (II) chloride, after which the resulting mixture was heated under reflux for eight hours under an argon stream. The reaction mixture was concentrated under reduced pressure, and the residue obtained was purified by a column chromatography (eluent: chloroform), after which diethyl ether was added thereto. The crystals formed were collected by filtration to obtain 0.19 g of colorless, crystalline ethyl 1-cyclopropyl-6-fluoro-8-methoxy-7-[2-(p-toluenesulfonyl)isoindolin-5-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylate.

Aufarbeitung

  1. temperatureafter which the resulting mixture was heated
  2. temperatureunder reflux for eight hours under an argon stream
  3. concentrationThe reaction mixture was concentrated under reduced pressure
  4. customthe residue obtained
  5. customwas purified by a column chromatography (eluent: chloroform)
  6. additionafter which diethyl ether was added
  7. customThe crystals formed
  8. filtrationwere collected by filtration

Quellen und Nachweise

ORD-Eintrag
ord-706686cd901442c9beeb024bc828b8a5
Quelldatensatz
uspto-grants-1999_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05935952

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