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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2107565Generated: October 30, 2026

Methyl Isocyanate → N-(2-Amino-2-methylpropyl)-N'-methylurea

https://huagongshe.com/reaction/2107565

Reaction equation

Participants

RoleNameHCIDCharge
ReactantMethyl IsocyanateHCID 12228—
Reactant2-MethylpropylenediamineHCID 13128—
SolventPyridineHCID 1049—
ProductN-(2-Amino-2-methylpropyl)-N'-methylureaHCID 5453801790%

Reaction Conditions

Temperature0 °C

Reaction Steps

A reaction mixture of 5.7 g (1 mol) of methyl isocyanate and 20 ml of pyridine was stirred at 0° C. for 5 minutes and slowly added into a solution of 20 g (0.23 mol) 1,2-diamino-2-methylpropane in 30 ml of pyridine. The reaction mixture was warmed to 20° C. and stirred for 1 hour. Evaporation of the solvent in vacuo gave 11.6 g (90%) of product which was identified by NMR and IR spectroscopy.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04935421
Source datasetuspto-grants-1990_06
ORD IDord-7771c540230640df9eb42e7cfcd05e88
Source noteuspto-grants-1990_06