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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1896339Generated: November 1, 2026

Ethyl 4-chloroacetoacetate → HCID 13500407, compound

https://huagongshe.com/reaction/1896339

Reaction equation

Participants

RoleNameHCIDCharge
ReactantEthyl 4-chloroacetoacetateHCID 69484—
Reactant2-Thiazolamine, 4-(trifluoromethyl)-HCID 1201417—
ProductHCID 13500407HCID 13500407—

Reaction Steps

This compound was synthesized from 2-amino-4-trifluoromethylthiazole, Step 1 intermediate (3.70 g, 22.541 mmol) and ethyl chloroacetoacetate (5.194 g, 31.558 mmol) in polyphosphoric acid (30.0 g) according to the procedure described in Step 1, Intermediate 2 to afford 4.0 g of the desired compound: 1H NMR (300 MHz, DMSO-d6) δ 2.28 (s, 3H), 2.60 (s, 3H), 4.52 (s, 1H), 6.25 (s, 1H); ESI-MS (m/z) 269.22 (M+H)+.

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS08518955B2
Source datasetuspto-grants-2013_08
ORD IDord-967516a15949417e872c9f5501ff28ed
Source noteuspto-grants-2013_08