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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2298665Generated: October 29, 2026

N-(3,4,5-Trimethoxyphenyl)thiourea → Isopropyl 5-methyl-4-{2-[(3,4,5-trimethoxyphenyl)amino](1,3-thiazol-4-yl)}thiophene-2-carboxylate hydrobromide

https://huagongshe.com/reaction/2298665

Reaction equation

Participants

RoleNameHCIDCharge
ReactantN-(3,4,5-Trimethoxyphenyl)thioureaHCID 2760811—
ReactantIsopropyl 4-(2-bromoacetyl)-5-methylthiophene-2-carboxylateHCID 18537306—
ProductIsopropyl 5-methyl-4-{2-[(3,4,5-trimethoxyphenyl)amino](1,3-thiazol-4-yl)}thiophene-2-carboxylate hydrobromideHCID 1853683648%

Reaction Steps

Isopropyl-4-(2-bromoacetyl)-5-methylthiophene-2-carboxylate (84 mg, 0.27 mmol) was allowed to react with 3,4,5-trimethoxyphenylthiourea (66.5 mg) as described in Example 154, step (a) to give 68 mg (48% yield) of isopropyl 5-methyl-4-{2-[(3,4,5-trimethoxyphenyl)amino](1,3-thiazol-4-yl)}thiophene-2-carboxylate hydrobromide. Mass Spectrum (ESI) m/z calcd. For C21H24N2O5S2, 448.56 (M+H), found 449.0.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS06492403B1
Source datasetuspto-grants-2002_12
ORD IDord-69c41590839648fd9cca6f6727d16429
Source noteuspto-grants-2002_12