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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 646423Generated: October 30, 2026

1-Hydroxybenzotriazole → [4-(5-Ethanesulfonyl-thiophen-2-yl)-phenyl]-[2-(S)-(2-(R)-methyl-pyrrolidin-1-ylmethyl)-pyrrolidin-1-yl]-methanone

https://huagongshe.com/reaction/646423

Reaction equation

Participants

RoleNameHCIDCharge
Reactant1-HydroxybenzotriazoleHCID 75771—
ReactantDiisopropylethylamineHCID 81531—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantLithiumHCID 3028194—
Reactant(R)-2-methyl-1-((S)-pyrrolidin-2-ylmethyl)pyrrolidineHCID 46911921—
ReactantHCID 59264655HCID 59264655—
Solventdichloromethane N,N-dimethylformamideHCID 22350042—
Product[4-(5-Ethanesulfonyl-thiophen-2-yl)-phenyl]-[2-(S)-(2-(R)-methyl-pyrrolidin-1-ylmethyl)-pyrrolidin-1-yl]-methanoneHCID 1161924450%

Reaction Steps

The title compound is prepared in a manner substantially analogous to General Procedure D in 5 mL 50% DMF/dichloromethane using 4-(5-ethanesulfonyl-thiophen-2-yl)-benzoic acid, Lithium salt (118 mg, 0.39 mmol), EDC-HCl (115 mg, 0.60 mmol), HOBt (81 mg, 0.60 mmol), DIEA (0.17 mL, 1.0 mmol) and 2-(R)-Methyl-1-(2-(S)-pyrrolidinylmethyl)pyrrolidine (61 mg, 0.36 mmol) to give the title compound (80 mg, 50% yield). MS (ES+) 447.3 (M+H)+

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07705025B2
Source datasetuspto-grants-2010_04
ORD IDord-33fc9a92d385406daf1ccc93165162ac
Source noteuspto-grants-2010_04