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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2070264Generated: October 27, 2026

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

https://huagongshe.com/reaction/2070264

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-{[2-Fluoro-5-(trifluoromethyl)phenylamino)-1-methylbenzimidazol-5-yl-oxy)pyridine-2-carboxylic acidHCID 86592199—
SolventTetrahydrofuranHCID 8028—
Product4-(2-{[2-fluro-5-(trifluromethyl)phenyl]amino-1-methylbenzimidazol-5-yloxy)-(2-pyridyl)]-N-(2-pyrrolidinylethyl)carboxamideHCID 131725836—

Reaction Steps

To 4-(2-{[2-fluoro-5-(trifluoromethyl)phenylamino)-1-methylbenzimidazol-5-yl-oxy)pyridine-2-carboxylic acid (1 eq) in tetrahydrofuran was added 2-pyrrolidinyl-ethylamine (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-{[2-fluoro-5-(trifluoromethyl)phenyl]amino-1-methylbenzimidazol-5-yloxy)(2-pyridyl)]-N-(2-pyrrolidinylethyl)carboxamide. MS: MH+=542.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08299108B2
Source datasetuspto-grants-2012_10
ORD IDord-5653bd5ab33c44d3a2139ca27e5af1a7
Source noteuspto-grants-2012_10