Triethylamine → tert-Butyl trans(+/-)-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-fluoropiperidine-1-carboxylate

HRID 1425303

Reaktionsgleichung

Reaktionsgleichung von HRID 1425303
[NH2:1][C@@H:2]1[CH2:7][CH2:6][N:5]([C:8]([O:10][C:11]([CH3:14])([CH3:13])[CH3:12])=[O:9])[CH2:4][C@H:3]1[F:15].[Cl:16][C:17]1[N:18]=[C:19]([C:24](O)=[O:25])[NH:20][C:21]=1[CH2:22][CH3:23].O.ON1C2C=CC=CC=2N=N1.CCN=C=NCCCN(C)C.Cl.C(N(CC)CC)C>>[Cl:16][C:17]1[N:18]=[C:19]([C:24]([NH:1][C@@H:2]2[CH2:7][CH2:6][N:5]([C:8]([O:10][C:11]([CH3:12])([CH3:14])[CH3:13])=[O:9])[CH2:4][C@H:3]2[F:15])=[O:25])[NH:20][C:21]=1[CH2:22][CH3:23]

Komponenten

6

Edukt 5

HCID 8471TriethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 45489895rac-tert-butyl (3R,4R)-4-amino-3-fluoropiperidine-1-carboxylateHCID 675489294-chloro-5-ethyl-1H-imidazole-2-carboxylic acid

Produkt 1

HCID 86648769tert-Butyl trans(+/-)-4-{[(4-chloro-5-ethyl-1H-imidazol-2-yl)carbonyl]amino}-3-fluoropiperidine-1-carboxylateAusbeute 72,1 %

Versuchsvorschrift

The same operation as in Example (196d) was performed using tert-butyl trans(±)-4-amino-3-fluoropiperidine-1-carboxylate obtained in Example (197a) (30.0 mg, 0.137 mmol), 4-chloro-5-ethyl-1H-imidazole-2-carboxylic acid obtained in Example (1d) (28.8 mg, 0.165 mmol), 1-hydroxybenzotriazole hydrate (27.9 mg, 0.206 mmol), WSC hydrochloride (39.5 mg, 0.206 mmol) and triethylamine (28.7 μL, 0.206 mmol), to obtain 37.0 mg of the title compound (72%) as a pale yellow foamy substance.

Quellen und Nachweise

ORD-Eintrag
ord-cebe27463fc94a899d739cd51881a829
Quelldatensatz
uspto-grants-2015_01
Patentnummer
US08927588B2

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