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HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 364519Generated: November 1, 2026

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

https://huagongshe.com/reaction/364519

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 numberUS04604456
Source datasetuspto-grants-1986_08
ORD IDord-74c5b492e37f4dc0bf8473f9ba27c5f0
Source noteuspto-grants-1986_08