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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 349432Generated: October 25, 2026

Diisopropylethylamine → N-(4-Amino-3-thienyl)-N'-(2,4-dichloro-3-thienyl)thiourea

https://huagongshe.com/reaction/349432

Reaction equation

Participants

RoleNameHCIDCharge
ReactantDiisopropylethylamineHCID 81531—
ReactantThiophene-3,4-diamine dihydrobromideHCID 21989329—
Reactant2,4-Dichloro-3-thienyl isothiocyanateHCID 59745492—
SolventTetrahydrofuranHCID 8028—
ProductN-(4-Amino-3-thienyl)-N'-(2,4-dichloro-3-thienyl)thioureaHCID 86037752—

Reaction Steps

was obtained in a similar manner to the method described in Example 5e by reacting 0.84 g of 3,4-diaminothiophene dihydrobromide with 0.8 g of 2,4-dichloro-3-thienyl isothiocyanate and 0.49 g of N-ethyl-N,N-diisopropylamine in THF. Crystalline product. M.p. 110–115° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS07179830B2
Source datasetuspto-grants-2007_02
ORD IDord-24dedb0059a44a8e9dcadd4d9f5d393e
Source noteuspto-grants-2007_02