THE MANUFACTURING METHOD FOR CALDIAMIDE SODIUM

THE MANUFACTURING METHOD FOR CALDIAMIDE SODIUM

A method for manufacturing caldiamide sodium used as an MRI contrast agent industrially is provided to manufacture caldiamide sodium with high purity without problems due to remain solvents by using a freeze-drying or a spray dryer. A method for manufacturing caldiamide sodium comprises the followin...

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Hauptverfasser: CHOI, KYUNG SEOK, KIM, YOUNG JUN, CHAE, JOO YOUNG, PARK, JUNG BUM, SHIN, SUN CHEOL, LEE, SEUNG HWA
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ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
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creator CHOI, KYUNG SEOK
KIM, YOUNG JUN
CHAE, JOO YOUNG
PARK, JUNG BUM
SHIN, SUN CHEOL
LEE, SEUNG HWA
description A method for manufacturing caldiamide sodium used as an MRI contrast agent industrially is provided to manufacture caldiamide sodium with high purity without problems due to remain solvents by using a freeze-drying or a spray dryer. A method for manufacturing caldiamide sodium comprises the following steps of: dissolving diethylenediamine pentacetic acid bis methylamide(DTPA-BMA) in distilled water; reacting liquid after adding calcium hydroxide, calcium acetate, and methoxy calcium; reacting a reaction solution after adding sodium hydroxide, methoxy natrium, or natrium hydrid; filtering the reaction solution with a membrane filter; and crystallizing the filtered reaction solution.
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subjects ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAININGELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN,SULFUR, SELENIUM OR TELLURIUM
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
title THE MANUFACTURING METHOD FOR CALDIAMIDE SODIUM
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