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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 355190Generated: October 29, 2026

3-(Dimethylamino)-1-propanol → N,N1-Dimethyl-S-(3-dimethylaminopropyl)isothiourea

https://huagongshe.com/reaction/355190

Reaction equation

Participants

RoleNameHCIDCharge
Reactant3-(Dimethylamino)-1-propanolHCID 76646—
Reactant1,1-Dimethyl-2-thioureaHCID 3034192—
SolventHydrogen BromideHCID 260—
ProductN,N1-Dimethyl-S-(3-dimethylaminopropyl)isothioureaHCID 86120174—

Reaction Steps

A mixture of 3-dimethylaminopropanol (10.3 g), N,N1 -dimethylthiourea (10.4 g) and aqueous hydrobromic acid (48%, 60 ml) was boiled under reflux for 18 hours and evaporated to dryness. The residue was recrystallised from ethanol to give the dihydrobromide of the title compound m.p. 173°-174°.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04378365
Source datasetuspto-grants-1983_03
ORD IDord-761a148bb78d41729bb09765b10f2090
Source noteuspto-grants-1983_03