Aerobic oxidation of alkylaromatic hydrocarbons to hydroperoxides catalysed by N-hydroxyimides in ionic liquids as solvents
作者:Gabriela Dobras、Beata Orlińska
DOI:10.1016/j.apcata.2018.05.012
日期:2018.7
alkylaromatic hydrocarbons to hydroperoxides with oxygen in the presence of N-hydroxyimides (N-hydroxyphthalimide, N-hydroxysuccinimide, 4-dodecyloxycarbonyl-N-hydroxyphthalimide, N,N-dihydroxypyromellitimide, N-acetoxyphthalimide) in ionic liquids as solvents. Cumene, ethylbenzene, mono- and di-isopropyl derivatives of naphthalene and biphenyl were used as starting materials. As solvents, ionic liquids composed
本文报道了在N-羟基酰亚胺(N-羟基邻苯二甲酰亚胺,N-羟基琥珀酰亚胺,4-十二烷氧基羰基-N-羟基邻苯二甲酰亚胺,N,N-二羟基邻苯二甲酰亚胺,N-乙酰氧基邻苯二甲酰亚胺)存在下用氧将烷基芳烃氧化为氢过氧化物的研究。液体作为溶剂。枯烯,乙苯,萘和联苯的一异丙基和二异丙基衍生物用作起始原料。作为溶剂,由具有乙基,丁基,己基或辛基取代基的1-烷基-3-甲基咪唑阳离子和[BF 4 ],[PF 6 ],[NTf 2 ],[CF 3等阴离子组成的离子液体施加了SO 3,[OcOSO 3 ]和[CH 3 OSO 3 ]。已经确定有机溶剂可以被离子液体代替,其不会加速氢过氧化物的分解,并且具有相对较高的氧气和催化剂溶解度以及低粘度的特征。在研究的IL中,这些具有[NTf 2 ]和[PF 6 ]阴离子的离子满足上述要求。