The effect of heteroatoms on the reactions of organic molecules with caesium fluoroxysulphate
作者:Stojan Stavber、Marko Zupan
DOI:10.1016/s0040-4020(01)90179-6
日期:1992.7
CsSO4F reacted at room temperature, or at 35°C in acetonitrile with various heteroatom-containing organic molecules, and three types of transformations have been observed. Fluoro substitution process took place with triphenylmethane, triphenylsilane, triphenylchlorosilane, 4-tert-butylphenol, benzaldehyde, and octanal, thus forming fluorotriphenylmethane, fluorotriphenylsilane, 2-fluoro-4-tert-butylphenol
CsSO 4 F在室温或35°C下在乙腈中与各种含杂原子的有机分子反应,已观察到三种类型的转化。用三苯基甲烷,三苯基硅烷,三苯基氯硅烷,4-叔丁基苯酚,苯甲醛和辛醛进行氟取代过程,从而以高收率形成了氟三苯基甲烷,氟三苯硅烷,2-氟-4-叔丁基苯酚,苯甲酰氟或辛酰氟。在2-氟-4-叔丁基苯酚的情况下,取代反应伴随有氟加成过程,其中分离出2,2-二氟-4-叔丁基环己二酮-4,6。CSSO 4F容易将仲醇氧化成酮,而1,2-二羟基-4-叔丁基苯则氧化成醌。在三苯基膦和二苯并噻吩的情况下观察到氧合过程,而碘乙烷被转化为二氟乙基碘(III)。溶剂在这些反应中起着重要作用,在CH 3 CN中成功进行,并在CH 2 Cl 2中被完全抑制,而通过连续混合CH 3改变溶剂性质,观察到各种形状的氟化物对各种有机分子的作用不同。具有CH 2 Cl 2的CN 。