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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 621280Generated: October 31, 2026

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

https://huagongshe.com/reaction/621280

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 numberUS04822888
Source datasetuspto-grants-1989_04
ORD IDord-f1c823b771d14e589bea0db1bd312d53
Source noteuspto-grants-1989_04