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Diisopropylethylamine → N-[4-methyl-5-(5-{[(1-methylpiperidin-4-yl)amino]sulfonyl}-2-thienyl)-1,3-thiazol-2-yl]acetamide

HRID 1360858
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1360858
[C:1]([NH:4][C:5]1[S:6][C:7]([C:11]2[S:15][C:14]([S:16](Cl)(=[O:18])=[O:17])=[CH:13][CH:12]=2)=[C:8]([CH3:10])[N:9]=1)(=[O:3])[CH3:2].[NH2:20][CH:21]1[CH2:26][CH2:25][N:24]([CH3:27])[CH2:23][CH2:22]1.CCN(C(C)C)C(C)C>C(Cl)Cl.CN(C=O)C>[CH3:10][C:8]1[N:9]=[C:5]([NH:4][C:1](=[O:3])[CH3:2])[S:6][C:7]=1[C:11]1[S:15][C:14]([S:16]([NH:20][CH:21]2[CH2:26][CH2:25][N:24]([CH3:27])[CH2:23][CH2:22]2)(=[O:18])=[O:17])=[CH:13][CH:12]=1
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Komponenten

5

Edukt 3

HCID 81531DiisopropylethylamineHCID 27375314-Amino-1-methylpiperidineHCID 866225625-[2-(Acetylamino)-4-methyl-1,3-thiazol-5-yl]thiophene-2-sulfonyl chloride

Produkt 1

HCID 11998304N-[4-methyl-5-(5-{[(1-methylpiperidin-4-yl)amino]sulfonyl}-2-thienyl)-1,3-thiazol-2-yl]acetamide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 22350042
dichloromethane N,N-dimethylformamide
Lösungsmittel

Versuchsvorschrift

5-[2-(acetylamino)-4-methyl-1,3-thiazol-5-yl]thiophene-2-sulfonyl chloride, prepared as in Step 1 of Example 9 (110 mg; 0.33 mmol; 1 eq.), is dissolved in a mixture of DCM/DMF(1/1, 10 ml). 4-Amino-1-methylpiperidine (188 mg; 1.65 mmol; 5 eq.) and DIEA (0.17 ml; 0.98 mmol; 3 eq.) are added. After 3 hours, the solvents are evaporated. The crude product is dissolved in DCM and washed with NH4Cl saturated solution, water and dried over MgSO4. After evaporation of the solvents, crude material is dissolved in DCM (3 ml) and title compound precipitated with Et2O affording after filtration, compound (4) as a white powder (120 mg; 90%). 1H NMR (DMSO-d6) δ 1.25 (m, 2H), 1.55 (m, 2H), 1.80 (m, 2H), 2.05 (m, 2H), 2.25 (s, 6H), 2.40 (s, 3H), 3.05 (m, 1H), 6.95 (d, J=3 Hz, 1H), 7.52 (d, J=3 Hz, 1H), 12.23 (m, 1H). M− (ESI): 413.30; M+ (ESI): 415.30. HPLC, Rt: 2.08 min (purity: 99.33%).

Aufarbeitung

  1. customthe solvents are evaporated
  2. dissolutionThe crude product is dissolved in DCM
  3. washwashed with NH4Cl saturated solution, water
  4. dry with materialdried over MgSO4
  5. customAfter evaporation of the solvents, crude material
  6. dissolutionis dissolved in DCM (3 ml)
  7. customtitle compound precipitated with Et2O affording
  8. filtrationafter filtration, compound (4) as a white powder (120 mg; 90%)

Quellen und Nachweise

ORD-Eintrag
ord-0e971dc56ab349298dee0ba2bb3e7075
Quelldatensatz
uspto-grants-2011_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07879888B2

Notizen zur Reaktion

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