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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 36690Generated: October 28, 2026

Formaldehyde → 2-Methyl-4-oxa-2,8-diazabicyclo[4.3.0]nonane

https://huagongshe.com/reaction/36690

Reaction equation

Participants

RoleNameHCIDCharge
ReactantFormaldehydeHCID 712—
Reactant(4-(Methylamino)pyrrolidin-3-yl)methanolHCID 15070024—
Solvent1-ButanolHCID 263—
Product2-Methyl-4-oxa-2,8-diazabicyclo[4.3.0]nonaneHCID 15070023—

Reaction Steps

8.1 g (0.1 mol) of 37% strength formaldehyde solution in 20 ml of n-butanol are added dropwise to 13 g (0.101 mol) of 4-hydroxymethyl-3-methylaminopyrrolidine in 100 ml of n-butanol at room temperature. The mixture is stirred at room temperature overnight and concentrated and the residue is distilled.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS05416096
Source datasetuspto-grants-1995_05
ORD IDord-380553e8feab4f418f56f5b551e4b474
Source noteuspto-grants-1995_05