Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1975920Generated: November 2, 2026

Cyclopentyl isothiocyanate → N-(3-Amino-5-chloro-2-thienylsulfonyl)-N'-cyclopentylthiourea

https://huagongshe.com/reaction/1975920

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCyclopentyl isothiocyanateHCID 141792—
Reactant3-Amino-5-chlorothiophene-2-sulfonamide hydrochlorideHCID 68820626—
ProductN-(3-Amino-5-chloro-2-thienylsulfonyl)-N'-cyclopentylthioureaHCID 11759590—

Reaction Steps

The title compound was prepared from 3-amino-5-chlorothiophene-2-sulfonamide hydrochloride and cyclopentyl isothiocyanate by a procedure analogous to the procedure described in example 3-a (yield 46%); 1H-NMR (DMSO-d6): δ1.30-1.70 (m, 6H), 1.90 (m, 2H), 4.40 (sextet, 1H, CH), 6.55 (br, 2H, NH2), 6.65 (s, 1H, H-4), 8.15 (br d, 1H, NH), 11.2 (br s, 1H, NH).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06225310B1
Source datasetuspto-grants-2001_05
ORD IDord-934765341b2f4b2ca78f152ca4935e11
Source noteuspto-grants-2001_05