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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 848248Generated: October 31, 2026

Acetic Anhydride → 2-(2-Formamidothiazol-4-yl)-2-ethoxyiminoacetic acid

https://huagongshe.com/reaction/848248

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AnhydrideHCID 7918—
Reactant2-(2-Amino-4-thiazolyl)-2-ethoxyiminoacetic acidHCID 53424235—
SolventFormic AcidHCID 284—
Product2-(2-Formamidothiazol-4-yl)-2-ethoxyiminoacetic acidHCID 5445807787.7%

Reaction Steps

2-(2-Aminothiazol-4-yl)-2-ethoxyiminoacetic acid (syn isomer, 100 g.), formic acid (85.5 g.) and acetic anhydride (190.1 g.) were treated in a similar manner to that of Example F-(5) to give 2-(2-formamidothiazol-4-yl)-2-ethoxyiminoacetic acid (syn isomer, 99.1 g.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04294960
Source datasetuspto-grants-1981_10
ORD IDord-4b3d65695c43465f9d806e4bfa98bb9a
Source noteuspto-grants-1981_10