4-diazabicyclo[2.2.2]octane [R–+N(CH2CH2)3N X–] or their 1:1 adducts with boron trifluoride, phosphorus pentafluoride, or sulfur trioxide in acetonitrile at ca– 35 °C. The results of site-selective electrophilic fluorination of diethyl sodio(phenyl)malonate [→PhCF(CO2Et)2], 1-morpholinocyclohexene (→2-fluoro-cyclohexanone), phenol(→2-and 4-FC6H4OH), 1-and 2-hydroxynaphthalene (→2-and 4-FC10H6OH, and 1-FC10H6OH
描述了一系列1-烷基-4-
氟-1,4-二氮杂
双环[2.2.2]辛烷盐[RN +(CH 2 CH 2)3 N + –F(X –)2的合成方法,其中R = CH 3,CH 2 Cl,C 2 H 5,CF 3 CH 2,C 8 H 17和(X –)2 =(TfO –)2,(BF 4 –)2,(PF 6 –)2(TfO–,BF 4 –),(TfO –,PF 6 –),(TfO –,FSO 3 –)]通过直接
氟化(在with 20 mmHg的纯F 2或在1个大气压下混合F 2 –N 2)进行。 1,4-二氮杂
双环[2.2.2]辛烷[R-的monoquaternary盐+ N(CH 2 CH 2) 3的N× - ]或它们的1:1加合物与
三氟化硼,
五氟化磷,或
三氧化硫在
乙腈中的CA - 35°C。
丙二酸二(苯基)丙二酯[→PhCF(
CO2 Et) 2 ],1-吗啉代
环己烯(→
2-氟环己酮),
苯酚(→2-和4-FC