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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1789815Generated: October 31, 2026

Water → HCID 54342136, compound

https://huagongshe.com/reaction/1789815

Reaction equation

Participants

RoleNameHCIDCharge
ReactantWaterHCID 962—
ReactantTriethylamineHCID 8471—
Reactant5-ethyl-2,2-dimethyl-1,3-dioxane-4,6-dioneHCID 3757712—
Reactanttert-Butyl (5-(bromomethyl)pyridin-2-yl)carbamateHCID 23030321—
SolventDimethyl SulfoxideHCID 679—
ProductHCID 54342136HCID 5434213687.3%

Reaction Steps

(5-Bromomethyl-pyridin-2-yl)-carbamic acid tert-butyl ester (1.0 g, 3.48 mmol) was added to a solution of 2,2-dimethyl-5-ethyl-1,3-dioxane4,6-dione (600 mg, 3.48 mmol) and triethylamine (0.51 mL, 3.66 mmol) in dimethyl sulfoxide (40 mL) under nitrogen. The reaction mixture was stirred over night and water (100 mL) was added. Filtration of the precipitate gave [5-(5-ethyl-2,2-dimethyl-4,6-dioxo-[1,3]dioxan-5-ylmethyl)-pyridin-2-yl]-carbamic acid tert-butyl ester (1.15 g, 87%).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07071175B1
Source datasetuspto-grants-2006_07
ORD IDord-436afded2b2d4ff79d62622977886f08
Source noteuspto-grants-2006_07