Synthesis and Structures of 5(3H)-Oxotetrahydro-1H-imidazo[4,5-c][1,2,5]thiadiazole 2,2-Dioxides.
2010
The reactions of sulfamides with 4,5-dihydroxyimidazolidin-2-ones were studied at ambient and high pressure. The previously unknown derivatives of 5(3H)-oxotetrahydro-1H-imidazo-[4,5-c][1,2,5]thiadiazole 2,2-dioxide, viz., sulfo analogs of tetrahydroimidazo[4,5-d]imidazole-2,5-(1H,3H) diones (glycolurils), were synthesized. The structures of some of these compounds were established by X-ray diffraction. The high-pressure reactions performed under conditions of solvent phase transitions afforded also N-(1,3-diethyl-5-hydroxy-2-oxoimidazolidin-4-yl)-N,N′-dialkylsulfamides. Among these compounds, a new conglomerate was found.
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