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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1751345Generated: October 28, 2026

Potassium Carbonate → HCID 178502478, compound

https://huagongshe.com/reaction/1751345

Reaction equation

Participants

RoleNameHCIDCharge
ReactantPotassium CarbonateHCID 11430—
Reactant(s)-tert-Butyl 2-(5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1h-imidazol-2-yl)pyrrolidine-1-carboxylateHCID 56605289—
ReactantHCID 178502472HCID 178502472—
CatalystHCID 178418397HCID 178418397—
Solvent1,2-DimethoxyethaneHCID 8071—
ProductHCID 178502478HCID 17850247841.6%

Reaction Conditions

Temperature85 °C

Reaction Steps

Methyl (S)-1-((1R,3S,4S)-3-(7-bromo-1H-naphtho[1,2-d]imidazol-2-yl)-2-azabicyclo[2.2.1]heptan-2-yl)-3-methyl-1-oxobutan-2-ylcarbamate (122 mg, 0.24 mmol) and (S)-tert-butyl 2-(5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1H-imidazol-2-yl)pyrrolidine-1-carboxylate (114 mg, 0.26 mmol) were combined in DME (3 mL). Pd(PPh3)4 (28 mg, 0.024 mmol) and K2CO3 (2M H2O, 0.4 mL, 0.79 mmol) were added, and the solution was degassed with N2 for 10 min. The solution was heated to 85° C. and stirred o/n. The following morning, the solution was cooled to rt. The solution was diluted with EtOAc, washed with sat. NaHCO3, brine, dried with MgSO4, and concentrated. The residue was purified by silica gel chromatography to yield product (73 mg).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09156823B2
Source datasetuspto-grants-2015_10
ORD IDord-02a56fe7e30b4a1995c1efa7b94da2a2
Source noteuspto-grants-2015_10