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Diisopropylethylamine → N-{(1S)-1-[(4-Bromophenyl)methyl]-3-hydroxypropyl)-3-cyano-4-[(1-methylethyl)oxy]benzamide

HRID 1785033
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Druckvorschau

Reaktionsgleichung

Reaktionsgleichung von HRID 1785033
Cl.[NH2:2][C@@H:3]([CH2:7][C:8]1[CH:13]=[CH:12][C:11]([Br:14])=[CH:10][CH:9]=1)[CH2:4][CH2:5][OH:6].C(N(CC)C(C)C)(C)C.[C:24]([C:26]1[CH:27]=[C:28]([CH:32]=[CH:33][C:34]=1[O:35][CH:36]([CH3:38])[CH3:37])[C:29](O)=[O:30])#[N:25].CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[Br:14][C:11]1[CH:10]=[CH:9][C:8]([CH2:7][C@H:3]([NH:2][C:29](=[O:30])[C:28]2[CH:32]=[CH:33][C:34]([O:35][CH:36]([CH3:38])[CH3:37])=[C:26]([C:24]#[N:25])[CH:27]=2)[CH2:4][CH2:5][OH:6])=[CH:13][CH:12]=1
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Komponenten

6

Edukt 4

HCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 21956832RP-101124HCID 67277825(3S)-3-Amino-4-(4-bromophenyl)-1-butanol hydrochloride

Produkt 1

HCID 67277846N-{(1S)-1-[(4-Bromophenyl)methyl]-3-hydroxypropyl)-3-cyano-4-[(1-methylethyl)oxy]benzamide
Ausbeute 78,7 %

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

To a suspension of (3S)-3-Amino-4-(4-bromophenyl)-1-butanol hydrochloride (1.80 g, 6.42 mmol) in dry DMF (32 mL) was added N,N-diisopropylethyl amine (2.49 g, 19.3 mmol) and the resultant clear solution was stirred for 3 min. 3-Cyano-4-[(1-methylethyl)oxy]benzoic acid (1.45 g, 7.06 mmol) and HBTU (2.68 g, 7.06 mmol) were added and the reaction was stirred at rt under nitrogen. After 1.5 h, the reaction mixture was quenched with water (50 mL) and extracted with EtOAc (3×30 mL). The extracts were dried (Na2SO4), filtered and concentrated under reduced pressure. The residue was purified by silica gel chromatography (75% EtOAc/hexanes) to give 2.18 g (78%) of the title compound as a white solid. LC/MS (ES) m/e 431.2 (M+H)+.

Aufarbeitung

  1. stirringthe reaction was stirred at rt under nitrogen
  2. waitAfter 1.5 h
  3. customthe reaction mixture was quenched with water (50 mL)
  4. extractionextracted with EtOAc (3×30 mL)
  5. dry with materialThe extracts were dried (Na2SO4)
  6. filtrationfiltered
  7. concentrationconcentrated under reduced pressure
  8. customThe residue was purified by silica gel chromatography (75% EtOAc/hexanes)

Quellen und Nachweise

ORD-Eintrag
ord-7e290b33ebd64195870254e393a6bf70
Quelldatensatz
uspto-grants-2009_03
DOI
10.6084/m9.figshare.5104873.v1
Patentnummer
US07504413B2

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