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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1485387Generated: October 29, 2026

Cesium carbonate → HCID 70979073, compound

https://huagongshe.com/reaction/1485387

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCesium carbonateHCID 10796—
Reactant5-(4,4,5,5-Tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amineHCID 2756555—
ReactantHCID 86718493HCID 86718493—
CatalystHCID 178418397HCID 178418397—
SolventWaterHCID 962—
Solvent1,4-DioxaneHCID 31275—
ProductHCID 70979073HCID 7097907338.4%

Reaction Steps

A solution of bromo-1-methyl-5,6-dihydro-4H-benzo[b][1,2,4]triazolo[4,3-d][1,4]diazepine (50 mg, 0.17 mmol), 5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (75 mg, 0.34 mmol), Tetrakis(triphenylphosphine)palladium(0)(10 mg) and Cs2CO3 (110 mg, 0.34 mmol) in dioxane (5 mL) and water (1 mL) was heated at 120° C. under microwave for 20 min. The reaction mixture was concentrated to give the crude product, which was purified by prep-TLC (DCM:MeOH=10:1) to afford 5-(1,6-dimethyl-5,6-dihydro-4H-benzo[b][1,2,4]triazolo[4,3-d][1,4]diazepin-8-yl)pyridin-2-amine (20 mg, yield 38%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09422292B2
Source datasetuspto-grants-2016_08
ORD IDord-9f8b8433d233441f9823c41c797afb7c
Source noteuspto-grants-2016_08