Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 434996Generated: October 31, 2026

Acetic Acid → 7-[2-(2-Formamidothiazol-4-yl)-2-ethoxycarbonylmethoxyiminoacetamido]-3-cephem-4-carboxylic acid

https://huagongshe.com/reaction/434996

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantEthanolHCID 702—
ReactantTetrahydrofuranHCID 8028—
Reactant4-Nitrobenzyl 7-[2-(2-formamidothiazol-4-yl)-2-ethoxycarbonylmethoxyiminoacetamido]-3-cephem-4-carboxylateHCID 131712477—
CatalystHCID 178418390HCID 178418390—
SolventWaterHCID 962—
Product7-[2-(2-Formamidothiazol-4-yl)-2-ethoxycarbonylmethoxyiminoacetamido]-3-cephem-4-carboxylic acidHCID 13171247820.3%

Reaction Steps

4-Nitrobenzyl 7-[2-(2-formamidothiazol-4-yl)-2-ethoxycarbonylmethoxyiminoacetamido]-3-cephem-4-carboxylate (syn isomer, 2.52 g.), 10% palladium carbon (1.3 g.), ethanol (13 ml.), tetrahydrofuran (25 ml.), acetic acid (0.22 ml.) and water (2.2 ml.) were treated in a similar manner to that of Example 15-(2) to give 7-[2-(2-formamidothiazol-4-yl)-2-ethoxycarbonylmethoxyiminoacetamido]-3-cephem-4-carboxylic acid (syn isomer, 0.4 g.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04399133
Source datasetuspto-grants-1983_08
ORD IDord-daef6a8fe19f482192a705ed501ad379
Source noteuspto-grants-1983_08