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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1790672Generated: October 26, 2026

1-Pyrrolidineethanamine → 4-(2-{[4bromo-3-methylphenyl]amino-1-methylbenzimidazol-5-yloxy)(2-pyridyl)]-N-(2-pyrrolidinylethyl)carboxamide

https://huagongshe.com/reaction/1790672

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-Bromo-3-methylphenylamino)-1-methylbenzimidazol-5-yloxy)pyridine-2-carboxylic acidHCID 86592196—
SolventTetrahydrofuranHCID 8028—
Product4-(2-{[4bromo-3-methylphenyl]amino-1-methylbenzimidazol-5-yloxy)(2-pyridyl)]-N-(2-pyrrolidinylethyl)carboxamideHCID 131725835—

Reaction Steps

To 4-(2-{[4-bromo-3-methylpheylamino)-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-{[4bromo-3-methylphenyl]amino-1-methylbenzimidazol-5-yloxy)(2-pyridyl)]-N-(2-pyrrolidinylethyl)carboxamide. MS: MH+=549.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07071216B2
Source datasetuspto-grants-2006_07
ORD IDord-2068fbf5dc2e43fc95b2bf9dcc748188
Source noteuspto-grants-2006_07