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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 848305Generated: October 30, 2026

Calcium Hydroxide → Calcium 7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylate

https://huagongshe.com/reaction/848305

Reaction equation

Participants

RoleNameHCIDCharge
ReactantCalcium HydroxideHCID 6093208—
Reactant7-[2-(2-Amino-4-thiazolyl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylic acidHCID 131712444—
SolventWaterHCID 962—
ProductCalcium 7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylateHCID 13171244699.5%

Reaction Steps

7-[2-(2-Aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylic acid (syn isomer, 1.15 g.) was added to an aqueous solution of calcium hydroxide (0.111 g.) in water (100 ml.), and the solution was stirred at room temperature for 10 minutes. After the solution was filtered, the filtrate was lyophilized to give calcium 7-[2-(2-aminothiazol-4-yl)-2-methoxyiminoacetamido]-3-cephem-4-carboxylate (syn isomer, 1.2 g.).

Provenance & Evidence

DOI10.6084/m9.figshare.5104873.v1
Patent numberUS04294960
Source datasetuspto-grants-1981_10
ORD IDord-2e4b85b4d0d34837b3b432c677ee2ca8
Source noteuspto-grants-1981_10