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1,8-Diazabicyclo(5.4.0)undec-7-ene → 1-Cyclopropyl-6,8-difluoro-7-[3-(4-methyl-1,2,3-triazol-1-yl)pyrrolidin-1-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acid

HRID 1742953
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1742953
[CH:1]1([N:4]2[C:13]3[C:8](=[CH:9][C:10]([F:16])=[C:11](F)[C:12]=3[F:14])[C:7](=[O:17])[C:6]([C:18]([OH:20])=[O:19])=[CH:5]2)[CH2:3][CH2:2]1.Cl.[CH3:22][C:23]1[N:24]=[N:25][N:26]([CH:28]2[CH2:32][CH2:31][NH:30][CH2:29]2)[CH:27]=1.C1CCN2C(=NCCC2)CC1>N1C=CC=CC=1>[CH:1]1([N:4]2[C:13]3[C:8](=[CH:9][C:10]([F:16])=[C:11]([N:30]4[CH2:31][CH2:32][CH:28]([N:26]5[CH:27]=[C:23]([CH3:22])[N:24]=[N:25]5)[CH2:29]4)[C:12]=3[F:14])[C:7](=[O:17])[C:6]([C:18]([OH:20])=[O:19])=[CH:5]2)[CH2:3][CH2:2]1
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Komponenten

5

Edukt 3

HCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 5354141-Cyclopropyl-6,7,8-trifluoro-4-oxo-1,4-dihydroquinoline-3-carboxylic acidHCID 190059493-(4-Methyl-1,2,3-triazol-1-yl)pyrrolidine hydrochloride

Produkt 1

HCID 190059371-Cyclopropyl-6,8-difluoro-7-[3-(4-methyl-1,2,3-triazol-1-yl)pyrrolidin-1-yl]-1,4-dihydro-4-oxoquinoline-3-carboxylic acidAusbeute 82 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 1049PyridineLösungsmittel

Versuchsvorschrift

1-Cyclopropyl-6,7,8-trifluoro-1,4-dihydro-4-oxoquinoline-3-carboxylic acid (150 mg, 0.53 mmol) was reacted with 249 mg (1.33 mmol) of 3-(4-methyl-1,2,3-triazol-1-yl)pyrrolidine hydrochloride in the presence of 201 mg (1.33 mmol) of DBU in 15 ml of dry pyridine under nitrogen at 120° C. for 3 days. Small amounts of the solid present were removed by filtration, and the supernatant was concentrated under reduced pressure. Water and small amounts of acetonitrile were added to the residue and the grey solid was collected and dried to afford 180 mg (82%) of the desired product, m.p. 219°-220° C. 1H NMR (CDCl3) δ: 8.73 (s, 1H), 7.85 (dd, J=13.7Hz, 1.9HZ, 1H), 7.42 (s, 1H), 5.4-5.3 (m, 1H), 4.4-3.7 (m, 5H), 2.7-2.5 (m, 2H), 2.37 (s, 3H), 1.4-1.05 (m, 4H). Anal. calcd. for C20H19F2N5O3 : C, 57.83; H, 4.57; N, 16.86. Found: C, 57.81; H, 4.60; N, 16.31.

Aufarbeitung

  1. customSmall amounts of the solid present were removed by filtration
  2. concentrationthe supernatant was concentrated under reduced pressure
  3. additionWater and small amounts of acetonitrile were added to the residue
  4. customthe grey solid was collected
  5. customdried

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ORD-Eintrag
ord-45bf6444ac5d466da839e9a2662e4db7
Quelldatensatz
uspto-grants-1994_08
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US05342846

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