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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2296188Generated: November 1, 2026

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

https://huagongshe.com/reaction/2296188

Reaction equation

Participants

RoleNameHCIDCharge
ReactantAcetic AcidHCID 176—
ReactantMethanolHCID 887—
ReactantTetrahydrofuranHCID 8028—
Reactant4-Nitrobenzyl 7-[2-(2-formamidothiazol-4-yl)-2-pentyloxyiminoacetamido]-3-cephem-4-carboxylateHCID 131712474—
CatalystHCID 178418390HCID 178418390—
SolventWaterHCID 962—
Product7-[2-(2-Formamidothiazol-4-yl)-2-pentyloxyiminoacetamido]-3-cephem-4-carboxylic acidHCID 13171247554.8%

Reaction Steps

4-Nitrobenzyl 7-[2-(2-formamidothiazol-4-yl)-2-pentyloxyiminoacetamido]-3-cephem-4-carboxylate (syn isomer, 8 g.), 10% palladium carbon (3.6 g.), methanol (36 ml.), tetrahydrofuran (90 ml.), acetic acid (0.63 g.) and water (6.3 ml.) were treated in a similar manner to that of Example 15-(2) to give 7-[2-(2-formamidothiazol-4-yl)-2-pentyloxyiminoacetamido]-3-cephem-4-carboxylic acid (syn isomer, 3.4 g.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04427674
Source datasetuspto-grants-1984_01
ORD IDord-6791a45beba54445a70b075870d57f15
Source noteuspto-grants-1984_01