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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 732423Generated: November 1, 2026

Cesium carbonate → HCID 68814257, compound

https://huagongshe.com/reaction/732423

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
ReactantBinap, (A+-)-HCID 634876—
Reactant2-Butanamine, (S)-HCID 6713753—
ReactantHCID 86615005HCID 86615005—
Catalystpalladium(II) acetateHCID 167845—
SolventTolueneHCID 1140—
ProductHCID 68814257HCID 6881425759%

Reaction Conditions

Temperature90 °C

Reaction Steps

Add 2-chloro-6-cyclopropanesulfonyl-isonicotinic acid tert-butyl ester (0.190 g, 0.607 mmol), palladium acetate (0.020 g, 0.091 mmol), racemic 2,2′-bis(diphenylphosphino)-1,1′-binaphthyl (0.057 g, 0.091 mmol), cesium carbonate (0.297 g, 0.911 mmol), and (S)-sec-butylamine (0.063 mL, 0.911 mmol) in toluene (5 mL) to a sealed tube flushed with nitrogen. Heat and stir the reaction mixture at 90° C. for 18 h. Cool and filter the mixture through a pad of filtering agent, concentrate and purify (silica gel chromatography, eluting with 20:80 ethyl acetate:hexanes) to give the title compound (0.120 g, 59%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07585885B2
Source datasetuspto-grants-2009_09
ORD IDord-b71e9c77eaf641c28ae1c3d2d681020c
Source noteuspto-grants-2009_09