Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 262052Generated: October 27, 2026

Triethylamine → 1-isopropyl-3-(5,6,7,8-tetrahydro-4H-cyclohepta[b]thien-4-yl)urea

https://huagongshe.com/reaction/262052

Reaction equation

Participants

RoleNameHCIDCharge
ReactantTriethylamineHCID 8471—
ReactantIsopropyl isocyanateHCID 61277—
Reactant5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-4-amine hydrochlorideHCID 21319854—
SolventTetrahydrofuranHCID 8028—
Product1-isopropyl-3-(5,6,7,8-tetrahydro-4H-cyclohepta[b]thien-4-yl)ureaHCID 21319853—

Reaction Steps

In dry tetrahydrofuran, stoichiometric quantities of isopropyl isocyanate, 5,6,7,8-tetrahydro-4H-cyclohepta[b]thiophen-4-amine hydrochloride, and triethylamine are stirred at room temperature for 2 hours and then heated at reflux for half an hour. The title product is then collected and washed with water.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04153611
Source datasetuspto-grants-1979_05
ORD IDord-8b987d80bcfa4cc08c453712dc718196
Source noteuspto-grants-1979_05