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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1790670Generated: 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/1790670

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)pheylamino)-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 numberUS07071216B2
Source datasetuspto-grants-2006_07
ORD IDord-4deca450243547aba33d3679d2121b53
Source noteuspto-grants-2006_07