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Synthesis of 3,5-bis[acetyl(2,3-dihydroxypropyl) amino]-N-(2-hydroxyethyl)-2,4,6-triiodo-benzamide

Zhou Pel ( Zhou P ), Luo Shineng ( Luo SN ), Xie Minghao ( Xie MH), et al ( Jiangsu Institute of Nuclear Medicine , State Key Laboratory of Nuclear Medicine , Wwd 214063)  
The synthesis of novel non - ionic X - CT contrast medium {3,5 - bis [ acetyl (2,3- dihydroxypropyl)amino] - N - (2 - hydroxyethyl) - 2,4,6- triiodo - benzamide} is reoported. This compound was synthesized through nitration, esterification, amidation, reduction, iodization, acetylation, alkylation using 3,5 -dinitrobenzoic acid as meterial. Element analysis, IR and 1 HNMR of synthetic product were conformable to the chemical structure of 3,5 - bis [acetyl (2,3 - dihydroxypropyl) amino] - N - (2 - hydroxyethyl) - 2,4,6 - triiodo - benzamide.
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