反应详情

5-Amino-2,4,6-triiodo-1,3-di-(acetoxymethyl)benzene (2.0 g, 3.25 mmol) was dissolved in dimethylacetamide (4 ml) at room temperature. 2,3,4-Triacetoxybutyryl chloride (7.4 g, 26.4 mmol) was added and the mixture was stirred for 20 h. The work up was carried out as in Example 24i. A white crystalline product 2.2 g (79%), was isolated.