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Diisopropylethylamine → 5-(1,3-oxazol-2-yl)-N3,N3-dipropylisophthalamide

HRID 349071
Notizen
Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 349071
[CH2:1]([N:4]([CH2:21][CH2:22][CH3:23])[C:5]([C:7]1[CH:8]=[C:9]([CH:13]=[C:14]([C:16]2[O:17][CH:18]=[CH:19][N:20]=2)[CH:15]=1)[C:10](O)=[O:11])=[O:6])[CH2:2][CH3:3].C([N:27](CC)C(C)C)(C)C.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>C(Cl)Cl>[O:17]1[CH:18]=[CH:19][N:20]=[C:16]1[C:14]1[CH:15]=[C:7]([C:5]([N:4]([CH2:21][CH2:22][CH3:23])[CH2:1][CH2:2][CH3:3])=[O:6])[CH:8]=[C:9]([CH:13]=1)[C:10]([NH2:27])=[O:11]
KomponentenVersuchsvorschriftAufarbeitungQuellen und NachweiseNotizen zur Reaktion

Komponenten

5

Edukt 3

HCID 81531Diisopropylethylamine2×HCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 210628933-(Dipropylcarbamoyl)-5-(oxazol-2-yl)benzoic acid

Produkt 1

HCID 575125725-(1,3-oxazol-2-yl)-N3,N3-dipropylisophthalamideAusbeute 148,5 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6344
Dichloromethane
Lösungsmittel
3×

Versuchsvorschrift

A solution of 3-[(dipropylamino)carbonyl]-5-(1,3-oxazol-2-yl)benzoic acid 38 (120 mg, 0.38 mmol) in methylene chloride (3.8 mL) containing N,N-diisopropylethylamine (132 μL, 0.76 mmol) and HBTU (151 mg, 0.40 mmol) was stirred at room temperature for 0.5 h. To the above solution was added a solution of the orange oil from step 7 (207 mg, 0.57 mmol) in methylene chloride (3.8 mL) containing N,N-diisopropylethylamine (132 μL, 0.76 mmol) and the reaction mixture was stirred at room temperature for 18 h. The reaction mixture was then diluted with additional methylene chloride and washed with saturated sodium bicarbonate and saturated sodium chloride, dried (sodium sulfate), filtered, and concentrated under reduced pressure to yield an oily residue. Purification by flash column chromatography (silica, 90:10 methylene chloride/methanol) gave N1-{(1S,2R)-1-(3,5-difluorobenzyl)-3-[({2-(dimethylamino) methyl]pyridin-4-yl}methyl)amino]-2-hydroxypropyl}-5-(1,3-oxazol-2-yl)-N3,N3-dipropylisophthalamide (178 mg): mp 63–66° C.; ESI MS m/z 663 [M+H]+.

Aufarbeitung

  1. stirringthe reaction mixture was stirred at room temperature for 18 h
  2. washwashed with saturated sodium bicarbonate and saturated sodium chloride
  3. dry with materialdried (sodium sulfate)
  4. filtrationfiltered
  5. concentrationconcentrated under reduced pressure
  6. customto yield an oily residue
  7. customPurification by flash column chromatography (silica, 90:10 methylene chloride/methanol)

Quellen und Nachweise

ORD-Eintrag
ord-c4eb308366ed4e9cab7a5a21a24fa03f
Quelldatensatz
uspto-grants-2007_02
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07176242B2

Notizen zur Reaktion

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