1: 5-(acetylamino)-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodo-1,3-benzenedicarboxamide With sodium hydride in isobutyramide T=20°C; 2: 1,3-dichloro-2-(6-(3,4,5,6-tetrahydro-2H-pyranoxy))propane in isobutyramide T=20 - 80°C; 72 h; 3: With sodium iodide in isobutyramide

hydrogenchloride; sodium hydroxide in 2-methoxy-ethanol; water T=20°C; 192 h; Product distribution / selectivity;

hydrogenchloride; boric acid; potassium hydroxide in water pH=10 - 11; Industry scale; Product distribution / selectivity;

hydrogenchloride; sodium hydroxide in 2-methoxy-ethanol T=15°C; pH=11.8 - 12.0; 40 h;

1: With sodium hydroxide in methanol T=45°C; 2: With hydrogenchloride in methanol; water T=15°C; 48 h; Product distribution / selectivity;

potassium iodide; sodium hydroxide in isobutyramide; water 119 h; Product distribution / selectivity;