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Diisopropylethylamine → Befetupitant

HRID 379390
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 379390
[CH3:1][NH:2][C:3]1[CH:4]=[N:5][C:6]([N:16]2[CH2:21][CH2:20][O:19][CH2:18][CH2:17]2)=[CH:7][C:8]=1[C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[CH3:15].C(N(C(C)C)C(C)C)C.[F:31][C:32]([F:50])([F:49])[C:33]1[CH:34]=[C:35]([C:43]([CH3:48])([CH3:47])[C:44](Cl)=[O:45])[CH:36]=[C:37]([C:39]([F:42])([F:41])[F:40])[CH:38]=1.C(=O)(O)[O-].[Na+]>ClCCl>[F:31][C:32]([F:50])([F:49])[C:33]1[CH:34]=[C:35]([C:43]([CH3:48])([CH3:47])[C:44]([N:2]([CH3:1])[C:3]2[CH:4]=[N:5][C:6]([N:16]3[CH2:21][CH2:20][O:19][CH2:18][CH2:17]3)=[CH:7][C:8]=2[C:9]2[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=2[CH3:15])=[O:45])[CH:36]=[C:37]([C:39]([F:42])([F:41])[F:40])[CH:38]=1
KomponentenReaktionsbedingungenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 516892Sodium BicarbonateHCID 112671412-(3,5-Bis(trifluoromethyl)phenyl)-2-methylpropanoyl chlorideHCID 11437557Methyl-(6-morpholin-4-yl-4-o-tolyl-pyridin-3-yl)-amine

Produkt 1

HCID 6450815Befetupitant

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344
Dichloromethane
Lösungsmittel

Reaktionsbedingungen

Temperatur
37.5 °C

Versuchsvorschrift

A solution of 1.46 g (5.15 mmol) methyl-(6-morpholin-4-yl-4-o-tolyl-pyridin-3-yl)-amine and 1.32 ml (7.73 mmol) N-ethyldiisopropylamine in 15 ml dichloromethane was cooled in an ice bath and 1.8 g (5.67 mmol)2-(3,5-bis-trifluoromethyl-phenyl)-2-methyl-propionyl chloride were added dropwise. The reaction mixture was warmed to 35-40° C. for 3 h, cooled to room temperature again and was stirred with 25 ml saturated sodium bicarbonate solution. The organic layer was separated and the aqueous phase was extracted with dichloromethane. The combined organic layers were dried (magnesium sulfate) and evaporated. The residue was purified by flash chromatography to give 2.9 g (quantitative) of the title compound as white crystals. M.p. 131-132° C.

Aufarbeitung

  1. temperaturecooled to room temperature again
  2. customThe organic layer was separated
  3. extractionthe aqueous phase was extracted with dichloromethane
  4. dry with materialThe combined organic layers were dried (magnesium sulfate)
  5. customevaporated
  6. customThe residue was purified by flash chromatography

Quellen und Nachweise

ORD-Eintrag
ord-979b4b09c29444e5bebaecc144edaf22
Quelldatensatz
uspto-grants-2001_10
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US06297375B1

Notizen zur Reaktion

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