Morpholine → N-(2-methyl-5-(5-(morpholinomethyl)-1,2,4-oxadiazol-3-yl)phenyl)imidazo[1,2-a]pyridine-3-carboxamide

HRID 570356

Reaktionsgleichung

Reaktionsgleichung von HRID 570356
CS(O[CH2:6][C:7]1[O:11][N:10]=[C:9]([C:12]2[CH:17]=[CH:16][C:15]([CH3:18])=[C:14]([NH:19][C:20]([C:22]3[N:26]4[CH:27]=[CH:28][CH:29]=[CH:30][C:25]4=[N:24][CH:23]=3)=[O:21])[CH:13]=2)[N:8]=1)(=O)=O.CCN(C(C)C)C(C)C.[NH:40]1[CH2:45][CH2:44][O:43][CH2:42][CH2:41]1>CN(C=O)C>[CH3:18][C:15]1[CH:16]=[CH:17][C:12]([C:9]2[N:8]=[C:7]([CH2:6][N:40]3[CH2:45][CH2:44][O:43][CH2:42][CH2:41]3)[O:11][N:10]=2)=[CH:13][C:14]=1[NH:19][C:20]([C:22]1[N:26]2[CH:27]=[CH:28][CH:29]=[CH:30][C:25]2=[N:24][CH:23]=1)=[O:21]

Komponenten

5

Edukt 3

HCID 8083MorpholineHCID 81531DiisopropylethylamineHCID 86677447(3-(3-(Imidazo[1,2-a]pyridine-3-carboxamido)-4-methylphenyl)-1,2,4-oxadiazol-5-yl)methyl methanesulfonate

Produkt 1

HCID 71281207N-(2-methyl-5-(5-(morpholinomethyl)-1,2,4-oxadiazol-3-yl)phenyl)imidazo[1,2-a]pyridine-3-carboxamide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

A solution of (3-(3-(imidazo[1,2-a]pyridine-3-carboxamido)-4-methylphenyl)-1,2,4-oxadiazol-5-yl)methyl methanesulfonate (44) (21.4 mg, 0.05 mmol), DIEA (13.0 mg, 0.1 mmol) and morpholine (13.0 mg, 0.15 mmol) in DMF (1 mL) was heated at 80° C. for 4 hours. The crude product was purified by preparative HPLC to yield N-(2-methyl-5-(5-(morpholinomethyl)-1,2,4-oxadiazol-3-yl)phenyl)imidazo[1,2-a]pyridine-3-carboxamide (F22). 1H NMR (400 MHz, CD2Cl2) δ 9.60 (d, J=6.8 Hz, 1H), 8.60 (d, J=1.6 Hz, 1H), 8.45 (s, 1H), 8.06 (s, 1H), 7.89 (dd, J=2.0, 8.0 Hz, 1H), 7.80 (d, J=8.8 Hz, 1H), 7.54 (m, 1H), 7.43 (d, J=8.0 Hz, 1H), 7.15 (m, 1H), 3.93 (s, 2H), 3.75 (m, 4H), 2.67 (m, 4H), 2.48 (s, 3H). MS m/z 419.2 (M+1)+. Note: if HCl salt of morpholine (0.15 mmol) was used, AgNO3 (0.15 mmol) was needed to avoid replacement of OMs group by Cl.

Aufarbeitung

  1. customThe crude product was purified by preparative HPLC

Quellen und Nachweise

ORD-Eintrag
ord-3da730165ea7421a90c0aa8f7b4e3cf4
Quelldatensatz
uspto-grants-2015_05
Patentnummer
US09023839B2

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