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Je pops n zp sob vroby dichloridu kyseliny S-(-)-5-[[2-(acetyloxy)-1-oxopropyl]amino]-2,4,6-trijod-1,3-benzendikarboxylov o vzorci (I), zahrnuj c reakci chloridu S-(-)-5-[2-(acetyloxy)]propionov kyseliny a dichloridu 5-amino-2,4,6-trijod-1,3-benzendikarboxylov kyseliny v aprotick m dipol rn m rozpou t dle a za p tomnosti halogenovod kov kyseliny.Output:
The present invention refers to a process for the preparation of S-(-)-5-[[2-(acetyloxy)-1-oxopropyl]-amino]-2,4,6-triiodo-1,3-benzenedicarboxylic acid dichloride of formula (I) comprising the reaction between S-(-)-[2-(acetyloxy)]propionic acid chloride and 5-amino-2,4,6-triiodo-1,3-benzenedicarboxylic acid dichloride, in an aprotic dipolar solvent and in presence of a halogenhydric acid.