Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HRID 434948Generated: October 30, 2026

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

https://huagongshe.com/reaction/434948

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 numberUS04399133
Source datasetuspto-grants-1983_08
ORD IDord-f6b6310adda94474ba2e695f3971c9b8
Source noteuspto-grants-1983_08