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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 33224Generated: October 29, 2026

Methylamine → 4-[1,3]Dioxan-2-yl-N-methyl-butyramide

https://huagongshe.com/reaction/33224

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethylamineHCID 6329—
Reactant1,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 2723939—
ReactantHCID 69311668HCID 69311668—
ReactantHCID 178418300HCID 178418300—
SolventDichloromethaneHCID 6344—
Product4-[1,3]Dioxan-2-yl-N-methyl-butyramideHCID 69315547113.9%

Reaction Steps

To 4-[1,3]dioxan-2-yl-butyric acid (2.55 g, 0.015 mol) in dichloromethane (200 ml) was added methylamine (2M in THF, 8.1 ml, 0.016 mol), 1-(3-dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (3.09 g, 0.016 mol) and hydroxybenzotriazole (2.16 g, 0.016 mol) and the mixture stirred at room temperature overnight. The organic layer was washed with saturated sodium bicarbonate solution (200 ml) and the aqueous layer extracted with dichloromethane (4×50 ml). The combined organics were dried (Na2SO4) and evaporated to give a colourless oil (3.2 g)

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07429579B2
Source datasetuspto-grants-2008_09
ORD IDord-45ea3b8591ff4b7bb3fddd7fcac0af8f
Source noteuspto-grants-2008_09