METHOD OF SYNTHESIS OF 1,4,10,13-TETRAOXA-7,16-DIAZACYCLOOCTADECANE-N,N'-DIMALONIC ACID SALT Russian patent published in 1997 - IPC

Abstract RU 2072993 C1

FIELD: organic chemistry, chemical technology. SUBSTANCE: method involves interaction of 1,4,10,13-tetraoxa-7,16-diazacyclooctadecane with 2-bromomalonic acid disodium salt in weak alkaline aqueous medium at 70-80 C. Synthesized compound is used for removing radioactive isotopes from living organism. EFFECT: improved method of synthesis.

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RU 2 072 993 C1

Authors

Laslo Varga[Hu]

Mikhaj Terechik[Hu]

Ehrne Brjukher[Hu]

Jozhef Ehmri[Hu]

Bela D'Eri[Hu]

Laslo Stan'Ik[Hu]

Dates

1997-02-10Published

1990-05-24Filed