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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 648753Generated: October 30, 2026

2-Acetamidothiazole → 2-[(2-chloro-1-oxo-butyl)-amino]-beta-oxo-N-(2-thiazolyl)-3-trifloromethyl-benzenepropanamide

https://huagongshe.com/reaction/648753

Reaction equation

Participants

RoleNameHCIDCharge
Reactant2-AcetamidothiazoleHCID 17625—
Reactant4H-3,1-Benzoxazin-4-one, 2-(1-chloropropyl)-8-(trifluoromethyl)-HCID 13423081—
ReactantButyllithiumHCID 178418339—
SolventTetrahydrofuranHCID 8028—
SolventHexaneHCID 8058—
Product2-[(2-chloro-1-oxo-butyl)-amino]-beta-oxo-N-(2-thiazolyl)-3-trifloromethyl-benzenepropanamideHCID 1342308421.7%

Reaction Steps

Using the procedure of Step A of Example 6, a solution of 16.58 g of N-(2-thiazolyl)-acetamide in 340 ml of tetrahydrofuran, 155 ml of a solution of butyllithium in hexane and a solution of 17 g of the product of Step A in 170 ml of tetrahydrofuran were reacted to obtain 5.5 g of 2-[(2-chloro-1-oxo-butyl)-amino]-β-oxo-N-(2-thiazolyl)-3-trifluoromethyl-benzenepropanamide melting at 170° C.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04736033
Source datasetuspto-grants-1988_04
ORD IDord-18e8bb7d26f04a9aa542e0c2318c631c
Source noteuspto-grants-1988_04