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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 589788Generated: October 31, 2026

Ethyl 2-amino-4-methylthiazole-5-carboxylate → HCID 86689194, compound

https://huagongshe.com/reaction/589788

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 2-amino-4-methylthiazole-5-carboxylateHCID 343747—
Reactant5-Chloro-3-methylbenzo(b)thiophene-2-sulfonyl chlorideHCID 2735756—
ProductHCID 86689194HCID 8668919418%

Reaction Steps

The product was prepared from ethyl 2-amino-4-methyl-1,3-thiazole-5-carboxylate (9 mg, 0.050 mmol) and 5-chloro-3-methylbenzothiophene-2-sulfonyl chloride (14 mg, 0.050 mmol) according to the General Procedure 9, described in Example 123, using a slightly modified reaction temperature of 60° C. and a reaction time of one week. The title compound was obtained in 18% yield (3.9 mg). 1H NMR (500 MHz, CDCl3) δ ppm 1.34 (t, J=7.15 Hz, 3 H) 2.60 (s, 3 H) 2.61 (s, 3 H) 4.30 (q, J=7.15 Hz, 2 H) 7.42 (dd, J=8.63, 2.01 Hz, 1 H) 7.66 (dd, J=8.63, 0.50 Hz, 1 H) 7.70 (dd, J=2.01, 0.50 Hz, 1 H). MS (ESI+) m/z 431 [M+H]+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS09233946B2
Source datasetuspto-grants-2016_01
ORD IDord-6d4af9cf2b834e1b82c7d70d1f35418c
Source noteuspto-grants-2016_01