Diisopropylethylamine → N-[(3R)-1-Azabicyclo[2.2.2]oct-3-yl]-5,7-dichloro-1-benzofuran-2-carboxamide hydrochloride

HRID 658185Notes

Reaction equation

HRID 658185 reaction equation
[Cl:1][C:2]1[CH:3]=[C:4]([Cl:14])[C:5]2[O:9][C:8]([C:10]([OH:12])=O)=[CH:7][C:6]=2[CH:13]=1.CN(C(ON1N=[N:30][C:25]2[CH:26]=[CH:27][CH:28]=[N:29][C:24]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.[CH:39](N(CC)C(C)C)(C)[CH3:40]>CN(C=O)C>[ClH:1].[N:29]12[CH2:28][CH2:27][CH:26]([CH2:39][CH2:40]1)[C@@H:25]([NH:30][C:10]([C:8]1[O:9][C:5]3[C:4]([Cl:14])=[CH:3][C:2]([Cl:1])=[CH:13][C:6]=3[CH:7]=1)=[O:12])[CH2:24]2

Participants

5

Reactant 3

HCID 81531DiisopropylethylamineHCID 47718415,7-dichlorobenzofuran-2-carboxylic AcidHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)

Product 1

HCID 68431922N-[(3R)-1-Azabicyclo[2.2.2]oct-3-yl]-5,7-dichloro-1-benzofuran-2-carboxamide hydrochloride

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

227 mg (0.98 mmol) of 5,7-dichlorobenzofuran-2-carboxylic acid, 200 mg (0.98 mmol) of R-3-aminoquinuclidine dihydrochloride, 449 mg (1.18 mmol) of HATU, 458 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. 169 mg (46% of theory) of the title compound are isolated.

Workup

  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

Sources & evidence

ORD record
ord-88cd46f0ccd645559d166dd2c44d53b6
Source dataset
uspto-grants-2011_12
Patent number
US08076355B2

Reaction notes

Loading…