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3-Aminopyridine → (2R,3S,4R,5S)-4-(4-Chloro-2-fluoro-phenyl)-3-(3-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid pyridin-3-ylamide

HRID 1807312
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1807312
FC(F)(F)C(O)=O.[Cl:8][C:9]1[C:10]([F:38])=[C:11]([C@@H:15]2[C@:19]([C:22]3[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:23]=3[F:29])([C:20]#[N:21])[C@H:18]([CH2:30][C:31]([CH3:34])([CH3:33])[CH3:32])[NH:17][C@H:16]2[C:35]([OH:37])=O)[CH:12]=[CH:13][CH:14]=1.CCN(C(C)C)C(C)C.C1(P(Cl)(C2C=CC=CC=2)=O)C=CC=CC=1.[NH2:63][C:64]1[CH:65]=[N:66][CH:67]=[CH:68][CH:69]=1>C(Cl)Cl>[N:66]1[CH:67]=[CH:68][CH:69]=[C:64]([NH:63][C:35]([C@H:16]2[C@H:15]([C:11]3[CH:12]=[CH:13][CH:14]=[C:9]([Cl:8])[C:10]=3[F:38])[C@:19]([C:22]3[CH:27]=[CH:26][C:25]([Cl:28])=[CH:24][C:23]=3[F:29])([C:20]#[N:21])[C@H:18]([CH2:30][C:31]([CH3:32])([CH3:34])[CH3:33])[NH:17]2)=[O:37])[CH:65]=1
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 100093-AminopyridineHCID 73910Diphenylphosphinic chlorideHCID 81531DiisopropylethylamineHCID 86642695CID 86642695

Produkt 1

HCID 53358570(2R,3S,4R,5S)-4-(4-Chloro-2-fluoro-phenyl)-3-(3-chloro-2-fluoro-phenyl)-4-cyano-5-(2,2-dimethyl-propyl)-pyrrolidine-2-carboxylic acid pyridin-3-ylamide

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344DichloromethaneLösungsmittel

Versuchsvorschrift

In a 25 mL round-bottomed flask, (2R,3S,4R,5S)-3-(3-chloro-2-fluorophenyl)-4-(4-chloro-2-fluorophenyl)-4-cyano-5-neopentylpyrrolidine-2-carboxylic acid compound with 2,2,2-trifluoroacetic acid (1:1) (200 mg, 344 μmol, Eq: 1.00), was combined with CH2Cl2 (3 ml) to give a colorless solution. DIPEA (240 μl, 1.38 mmol, Eq: 4) and diphenylphosphinic chloride (244 mg, 1.03 mmol, Eq: 3) were added and the reaction was stirred at RT for 20 minutes. 3-Amino-pyridine (38.9 mg, 413 μmol, Eq: 1.2) was added and the reaction mixture was stirred at RT overnight. The crude reaction mixture was concentrated in vacuum. The crude material was purified by flash chromatography (silica gel, 40 g, 2% to 5% MeOH in DCM) to give a white solid as the product. 185 mg. MS (ES+) m/z Calcd: [(M+H)+]: 543. found: 543.

Aufarbeitung

  1. customto give a colorless solution
  2. stirringthe reaction mixture was stirred at RT overnight
  3. customThe crude reaction mixture
  4. concentrationwas concentrated in vacuum
  5. customThe crude material was purified by flash chromatography (silica gel, 40 g, 2% to 5% MeOH in DCM)
  6. customto give a white solid as the product

Quellen und Nachweise

ORD-Eintrag
ord-d892c5e2af0c418fa8ccbbf706a08aba
Quelldatensatz
uspto-grants-2013_01
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US08354444B2

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