Diisopropylethylamine → N-[(3R)-1-Azabicyclo[2.2.2]oct-3-yl]-5-chloro-1-benzofuran-2-carboxamide hydrochloride

HRID 658186

Reaktionsgleichung

Reaktionsgleichung von HRID 658186
[Cl:1][C:2]1[CH:3]=[CH:4][C:5]2[O:9][C:8]([C:10]([OH:12])=O)=[CH:7][C:6]=2[CH:13]=1.CN(C(ON1N=[N:29][C:24]2[CH:25]=[CH:26][CH:27]=[N:28][C:23]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[CH:38](N(CC)C(C)C)(C)[CH3:39]>CN(C=O)C>[ClH:1].[N:28]12[CH2:27][CH2:26][CH:25]([CH2:38][CH2:39]1)[C@@H:24]([NH:29][C:10]([C:8]1[O:9][C:5]3[CH:4]=[CH:3][C:2]([Cl:1])=[CH:13][C:6]=3[CH:7]=1)=[O:12])[CH2:23]2

Komponenten

5

Edukt 3

HCID 81531DiisopropylethylamineHCID 9378385-Chloro-1-benzofuran-2-carboxylic acidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)

Produkt 1

HCID 68429730N-[(3R)-1-Azabicyclo[2.2.2]oct-3-yl]-5-chloro-1-benzofuran-2-carboxamide hydrochloride

Reagenzien, Katalysatoren, Lösungsmittel 1

HCID 6228DimethylformamideLösungsmittel

Versuchsvorschrift

190 mg (0.98 mmol) of 5-chlorobenzofuran-2-carboxylic acid, 200 mg (0.98 mmol) of R-3-aminoquinuclidine dihydrochloride, 450 mg (1.18 mmol) of HATU, 460 mg (3.54 mmol) of N,N-diisopropylethylamine and 2.0 ml of DMF are reacted according to the general procedure (variant B). The reaction mixture is purified by preparative HPLC. An excess of 1N hydrochloric acid is then added to the product. The solvent is removed under reduced pressure. 145 mg (43% of theory) of the title compound are isolated.

Aufarbeitung

  1. customThe reaction mixture is purified by preparative HPLC
  2. additionAn excess of 1N hydrochloric acid is then added to the product
  3. customThe solvent is removed under reduced pressure

Quellen und Nachweise

ORD-Eintrag
ord-19bb2527a11e4e9fa484b5d90429f97e
Quelldatensatz
uspto-grants-2011_12
Patentnummer
US08076355B2

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