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Triethylamine → (S)-ethyl N-({6-[(3-methyl-1-{4-[5-(trifluoromethyl)pyridin-2-yl]phenyl}butyl)amino]pyridin-3-yl}carbonyl)-beta-alaninate

HRID 1427477
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1427477
Cl.[NH2:2][CH2:3][CH2:4][C:5]([O:7][CH2:8][CH3:9])=[O:6].[CH3:10][CH:11]([CH3:40])[CH2:12][C@H:13]([NH:30][C:31]1[CH:39]=[CH:38][C:34]([C:35](O)=[O:36])=[CH:33][N:32]=1)[C:14]1[CH:19]=[CH:18][C:17]([C:20]2[CH:25]=[CH:24][C:23]([C:26]([F:29])([F:28])[F:27])=[CH:22][N:21]=2)=[CH:16][CH:15]=1.O.OC1C2N=NNC=2C=CC=1.C(N(CC)CC)C.Cl.C(N=C=NCCCN(C)C)C>ClCCl.C(=O)(O)[O-].[Na+]>[CH3:10][CH:11]([CH3:40])[CH2:12][C@H:13]([NH:30][C:31]1[N:32]=[CH:33][C:34]([C:35]([NH:2][CH2:3][CH2:4][C:5]([O:7][CH2:8][CH3:9])=[O:6])=[O:36])=[CH:38][CH:39]=1)[C:14]1[CH:15]=[CH:16][C:17]([C:20]2[CH:25]=[CH:24][C:23]([C:26]([F:27])([F:28])[F:29])=[CH:22][N:21]=2)=[CH:18][CH:19]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

8

Edukt 5

HCID 8471TriethylamineHCID 458475beta-Alanine, ethyl ester, hydrochlorideHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 67980958(S)-6-[(3-methyl-1-{4-[5-(trifluoromethyl)pyridin-2-yl]phenyl}butyl)amino]nicotinic acidHCID 178526939HCID 178526939, Verbindung

Produkt 1

HCID 68061979
(S)-ethyl N-({6-[(3-methyl-1-{4-[5-(trifluoromethyl)pyridin-2-yl]phenyl}butyl)amino]pyridin-3-yl}carbonyl)-beta-alaninate
Ausbeute 86 %

Reagenzien, Katalysatoren, Lösungsmittel 2

HCID 6344DichloromethaneLösungsmittelHCID 516892Sodium BicarbonateLösungsmittel

Reaktionsbedingungen

Temperatur
40 °C

Versuchsvorschrift

To a mixture of ethyl 3-aminopropionate hydrochloride (41.1 g, 268 mmol), (S)-6-[(3-methyl-1-{4-[5-(trifluoromethyl)pyridin-2-yl]phenyl}butyl)amino]nicotinic acid (57.51 g, 133.9 mmol), hydroxybenzotriazole hydrate (20.5 g, 134 mmol), and triethylamine (103 ml, 737 mmol) in dichloromethane (1.34 L) was added 1-ethyl-3-(3-dimethylaminopropyl)carbodiimide hydrochloride (38.9 g, 201 mmol) at ambient temperature. The reaction was heated to 40° C. for 12 hours. The reaction was diluted with saturated aqueous sodium bicarbonate (1.5 L) and the organic layer was separated. The aqueous layer was extracted with dichloromethane (2×500 ml) and the combined organic layers were washed with brine (1 L), then dried over sodium sulfate, filtered, and concentrated in vacuo. The crude material was purified via ISCO MPLC (SiO2, 0-100% ethyl acetate in heptane) to yield the product (60.9 g, 86%) as a white foam. 1H NMR (400 MHz, CDCl3, δ): 8.93 (s, 1H), 8.51 (d, J=2.0 Hz, 1H), 7.95-8.02 (m, 3H), 7.81 (d, J=8.6 Hz, 1H), 7.78 (dd, J=9.1, 2.4 Hz, 1H), 7.47 (d, J=8.2 Hz, 2H), 6.73 (t, J=5.7 Hz, 1H), 6.29 (d, J=8.8 Hz, 1H), 5.81-5.91 (m, 1H), 4.76 (q, J=6.8 Hz, 1H), 4.10-4.16 (m, 2H), 3.67 (q, J=6.1 Hz, 2H), 2.60 (t, J=5.9 Hz, 2H), 1.77-1.87 (m, 1H), 1.65-1.77 (m, 2H), 1.23-1.28 (m, 3H), 1.01 (d, J=6.1 Hz, 3H), 0.97 (d, J=6.1 Hz, 3H). MS (M+1): 529.3.

Aufarbeitung

  1. customthe organic layer was separated
  2. extractionThe aqueous layer was extracted with dichloromethane (2×500 ml)
  3. washthe combined organic layers were washed with brine (1 L)
  4. dry with materialdried over sodium sulfate
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customThe crude material was purified via ISCO MPLC (SiO2, 0-100% ethyl acetate in heptane)

Quellen und Nachweise

ORD-Eintrag
ord-8b009a96c92740e6bcaa04506e1e061b
Quelldatensatz
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08933104B2

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