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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 543193Generated: October 25, 2026

Triethylamine → 1-{3-[4-(4-Chlorobenzyl)piperazin-1-yl]propyl}-3-[4-(methylthio)phenyl]urea dihydrochloride monohydrate

https://huagongshe.com/reaction/543193

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
Reactant4-(Methylthio)phenyl isocyanateHCID 2733316—
Reactant1-(3-Aminopropyl)-4-(4-chlorobenzyl)piperazine trihydrochlorideHCID 20205739—
SolventDichloromethaneHCID 6344—
Product1-{3-[4-(4-Chlorobenzyl)piperazin-1-yl]propyl}-3-[4-(methylthio)phenyl]urea dihydrochloride monohydrateHCID 20205764172.2%

Reaction Steps

The procedure described in Example 29 was followed, using 4-(methylthio)phenyl isocyanate (10.0 g; 60.5 mmole), 1-(3-aminopropyl)-4-(4-chlorobenzyl)piperazine trihydrochloride (22.8 g; 60.5 mmole), methylene chloride (400 ml), and triethylamine (25.8 ml; 185 mmole). Recrystallization from methanol/water provided the title compound (27.3 g; 89% yield) as colorless crystals, m.p. 212°-214° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04661481
Source datasetuspto-grants-1987_04
ORD IDord-8ecbcafe8040401bb34a70ddb69c4c7d
Source noteuspto-grants-1987_04