作者:Galina A. Gazieva、Angelina N. Kravchenko
DOI:10.1002/jhet.2305
日期:2015.11
Unexpectedly, nitrosation of 5,7‐dialkyl‐3‐thioxoperhydroimidazo[4,5‐e]‐1,2,4‐triazine‐6‐ones(thiones) with sodium nitrite in glacial AcOH led to 3,3′‐bis(5,7‐dialkyl‐1‐nitroso‐6‐oxo(thioxo)‐1,4,4a,5,7,7a‐hexahydroimidazo[4,5‐e]‐1,2,4‐triazinyl)disulfides that decomposed spontaneously into 1,3‐dialkyl‐5‐thioxohexahydroimidazo[4,5‐d]imidazol‐2(1H)‐ones(thiones) in DMSO‐d6 in the presence of water.
出乎意料的是,亚硝酸钠在冰醋酸AcOH中将5,7-二烷基-3-硫代过氧氢杂咪唑[4,5- e ] -1,2,4-三嗪-6-酮(硫酮)亚硝化导致3,3'-bis(自发分解的5,7-二烷基-1-亚硝基-6-氧代(硫代)-1,4,4a,5,7,7a-六氢咪唑[4,5-e] -1,1,2,4-三嗪基)二硫化物在水存在下,在DMSO-d 6中转化为1,3-二烷基-5-硫代六氢咪唑并[4,5- d ]咪唑-2(1 H)-ones(thiones)。