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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 637233Generated: October 30, 2026

Sodium hydride → HCID 18464896, compound

https://huagongshe.com/reaction/637233

Reaction equation

Participants

RoleNameHCIDCharge
ReactantSodium hydrideHCID 24758—
Reactant1-t-butoxycarbonyl-4-(1H-benzimidazol-2-yl)[1,4]diazepaneHCID 18464655—
Reactant2-Isopropoxyethyl MethanesulfonateHCID 18465045—
SolventDimethylformamideHCID 6228—
ProductHCID 18464896HCID 18464896—

Reaction Conditions

Temperature80 °C

Reaction Steps

Combine 1-(t-butoxycarbonyl)-4-(1H-benzimidazol-2-yl)[1,4]diazepane (0.54 g, 1.71 mmol), and sodium hydride (0.87 g, 3.48 mmol) in dimethylformamide (10 mL). After 30 minutes, add 2-(isopropoxy)ethyl mesylate (0.51 g, 5.5 mmol). Heat to 80° C. After 2 hours, cool the reaction mixture to ambient temperature and partition between dichloromethane and a saturated aqueous sodium bicarbonate solution. Separate the layers and extract the organic layer with brine. Dry the organic layer over MgSO4, filter, and evaporate in vacuo to give 1-(t-butoxycarbonyl)-4-(1-(2-(isopropoxy)ethyl)-1H-benzimidazol-2-yl)[1,4]diazepane.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06194406B1
Source datasetuspto-grants-2001_02
ORD IDord-70ab774adb894414a39b75fe2f932206
Source noteuspto-grants-2001_02