Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 2295603Generated: November 1, 2026

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

https://huagongshe.com/reaction/2295603

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 numberUS04425341
Source datasetuspto-grants-1984_01
ORD IDord-2690a6bc830a4443b668464d9d607bb7
Source noteuspto-grants-1984_01