Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1915635Generated: October 26, 2026

1-Pyrrolidineethanamine → 4-(2-{[4-(dimethylamino)phenyl]amino-1-methylbenzimidazol-5-yloxy)(2-pyridyl)]-N-(2-pyrrolidinylethyl)carboxamide

https://huagongshe.com/reaction/1915635

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-PyrrolidineethanamineHCID 1344—
ReactantDiisopropylethylamineHCID 81531—
ReactantMethanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 2733084—
Reactant2-{[4-(Dimethylamino)phenylamino)-1-methylbenzimidazol-5-yloxy)-pyridine-2-carboxylic acidHCID 86617166—
SolventTetrahydrofuranHCID 8028—
Product4-(2-{[4-(dimethylamino)phenyl]amino-1-methylbenzimidazol-5-yloxy)(2-pyridyl)]-N-(2-pyrrolidinylethyl)carboxamideHCID 131725834—

Reaction Steps

To 4-(2-{[4-(dimethylamino)phenylamino)-1-methylbenzimidazol-5-yloxy)pyridine-2-carboxylic acid (1 eq) in tetrahydrofuran was added 2-pyrrolidinylethylamine (2 eq), HBTU (2 eq) and N,N-diisopropylethylamine (4 eq) and stir at ambient temperature for 16 h. The mixture was then concentrated and partitioned between ethyl acetate and water. The organic layer was concentrated and preparative chromatography yielded [4-(2-{[4-(dimethylamino)phenyl]amino-1-methylbenzimidazol-5-yloxy)(2-pyridyl)]-N-(2-pyrrolidinylethyl)carboxamide. MS: MH+=498.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08614330B2
Source datasetuspto-grants-2013_12
ORD IDord-2a157a01a02d45afb2a2b7a0427dfdbe
Source noteuspto-grants-2013_12