Pyridine → n-[4-(Thiazol-2-ylsulfamoyl)-phenyl]-2-(8-trifluoromethyl-quinolin-4-yloxy)-acetamide

HRID 219549

Reaktionsgleichung

Reaktionsgleichung von HRID 219549
[F:1][C:2]([F:19])([F:18])[C:3]1[CH:4]=[CH:5][CH:6]=[C:7]2[C:12]=1[N:11]=[CH:10][CH:9]=[C:8]2[O:13][CH2:14][C:15]([OH:17])=O.C(Cl)(=O)C(Cl)=O.[CH:26]1[C:31]([NH2:32])=[CH:30][CH:29]=[C:28]([S:33]([NH:36][C:37]2[S:41][CH:40]=[CH:39][N:38]=2)(=[O:35])=[O:34])[CH:27]=1.N1C=CC=CC=1>C(Cl)Cl>[S:41]1[CH:40]=[CH:39][N:38]=[C:37]1[NH:36][S:33]([C:28]1[CH:27]=[CH:26][C:31]([NH:32][C:15](=[O:17])[CH2:14][O:13][C:8]2[C:7]3[C:12](=[C:3]([C:2]([F:1])([F:19])[F:18])[CH:4]=[CH:5][CH:6]=3)[N:11]=[CH:10][CH:9]=2)=[CH:30][CH:29]=1)(=[O:35])=[O:34]

Komponenten

6

Edukt 4

HCID 1049PyridineHCID 5340SulfathiazoleHCID 65578Oxalyl chlorideHCID 534209752-((8-(Trifluoromethyl)quinolin-4-yl)oxy)acetic acid

Produkt 1

HCID 57936440n-[4-(Thiazol-2-ylsulfamoyl)-phenyl]-2-(8-trifluoromethyl-quinolin-4-yloxy)-acetamideAusbeute 69,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Reaktionsbedingungen

Temperatur
0 °C

Versuchsvorschrift

(8-Trifluoromethylquinolin-4-yloxy)-acetic acid (0.50 g, 1.84 mmol) was suspended in 20 mL DCM with rapid stirring. At rt, oxalyl chloride (0.19 mL, 1.2 equiv) was added dropwise and stirring continued for 4 h. Solvent and excess oxalyl chloride were removed in vacuo, the white residue was re-suspended in DCM, and the mixture cooled to 0° C. N′-(2-thiazolyl)sulfanilamide (0.47 g, 1.0 equiv) was added followed by pyridine (0.30 mL, 2.0 equiv). The mixture was allowed to warm to rt overnight. The solid was collected and rinsed with fresh DCM. Further purification was effected by suspending the solid in 20 mL methanol, stirring vigorously for 4 h, and filtration. After drying under vacuum, white solid 0.65 g (69%) was obtained. 1H-NMR (DMSO-d6) 5.11 (s, 2H), 6.79 (d, J=4.8 Hz, 1H), 7.12 (d, J=5.2 Hz, 1H), 7.22 (d, J=4.8 Hz, 1H), 7.71 (t, J=8.0 Hz, 1H), 8.17 (d, J=8.0 Hz, 1H), 8.55 (d, J=8.0 Hz, 1H), 8.85 (d, J=5.2 Hz, 1H); 13C-NMR (DMSO-d6) 68.0, 103.6, 108.8, 120.0, 122.0, 124.8 (q, J=270 Hz), 125.1, 125.4, 126.4 (q, J=33 Hz), 127.7, 127.8, 129.2, 137.7, 142.1, 145.6, 153.2, 161.2, 166.5, 169.4 LC/MS (10-99%) M/Z: M+1 obs=509.5; tR=3.13 min.

Aufarbeitung

  1. customSolvent and excess oxalyl chloride were removed in vacuo
  2. temperatureto warm to rt overnight
  3. customThe solid was collected
  4. washrinsed with fresh DCM
  5. customFurther purification
  6. stirringstirring vigorously for 4 h
  7. filtrationfiltration
  8. customAfter drying under vacuum

Quellen und Nachweise

ORD-Eintrag
ord-9365a5b5bb7c4446b37894b84f0e84da
Quelldatensatz
uspto-grants-2012_06
Patentnummer
US08202861B2

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