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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2290140Generated: October 30, 2026

Cesium carbonate → HCID 53937827, compound

https://huagongshe.com/reaction/2290140

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
ReactantEthyl 4-iodobenzoateHCID 142891—
ReactantBinap, (A+-)-HCID 634876—
ReactantHCID 18699171HCID 18699171—
CatalystBis(dibenzylideneacetone)palladiumHCID 9811564—
SolventTolueneHCID 1140—
ProductHCID 53937827HCID 5393782715.3%

Reaction Steps

Following general procedure E and using 7-t-butyl-3,3-dimethyl-5-(isopropyl)amino-2,3-dihydro-benzofuran (Compound 36, 0.63 g, 2.4 mmol), ethyl-4-iodo-benzoate (0.62 3 g, 2.9 mmol), cesium carbonate (1.12 g, 3.4 mmol), tris(dibenzylideneacetone)dipalladium(0) (0.025 g, 0.025 mmol) and (S)-(-)-2,2'-bis(diphenylphosphino)-1,1'-binaphthyl (0.050 g, 0.079 mmol) in 10 mL of anhydrous toluene, the title compound (0.15 g) contaminated with 67% of 7-t-butyl-3,3-dimethyl-5-(isopropyl)amino-2,3-dihydro-benzofuran (Compound 36) was obtained.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06093838
Source datasetuspto-grants-2000_07
ORD IDord-d62c2e4ed33f494ca88f1d518c6d5e4c
Source noteuspto-grants-2000_07