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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 1463049Generated: October 29, 2026

iodoMethyl 2-Methylpropanoate → Isobutyryloxymethyl 7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylate

https://huagongshe.com/reaction/1463049

Reaction equation

Participants

RoleNameHCIDCharge
ReactantiodoMethyl 2-MethylpropanoateHCID 10376456—
Reactant7-[2-(2-Amino-4-thiazolyl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylic acidHCID 131712444—
SolventTriethylamineHCID 8471—
ProductIsobutyryloxymethyl 7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylateHCID 131713610—

Reaction Steps

In the same manner as Example 8, 7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylic acid (syn-isomer) was reacted with iodomethyl isobutyrate in the presence of triethylamine to give isobutyryloxymethyl 7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylate (syn-isomer), mp 95°-100° C. (decompn.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04463002
Source datasetuspto-grants-1984_07
ORD IDord-9758349bf9ff46589a889adebff49538
Source noteuspto-grants-1984_07