吡啶的亲电取代反应

135199810姚子鹏任平达(200433),,,,,:R.D.Brown[1],EÝBACBEÝ:EÝB,52EÝAC,,B,1,N0N0N-:,,/0,,,,,)NÝ(CH3)3:1.,,;2.,;3.,Lewis,Lewis,,,,,,,,,,(),,,22%+HNO3/H2SO4300e16%+NaNO3/H2SO4300e14.5%+KNO3/H2SO4300e115%+KNO3,HNO3,H2SO4,Fe300e122%,,+KNO3/H2SO4180e6%+KNO3/H2SO4100e81%53+KNO3/H2SO4100e94%[2],,,-3-,,+H2SO4HgSO4220~270e75%~85%[3],,,300e+H2SO4HgSO4330e++25%15%~20%,-3--3-330e,[4]:,,26,,:+SO3/SO2-10e4h,[5]+SO3250e15h+35%15%~20%,,1.,,200e,300e,54+Cl2200e+Cl2320~340e2.,+PCl5210~220e280~285e3.160~180eCl2165~175e4.:1B2,40%3-10%305-,+AlCl3()1B2Cl210%40%,+Cl2AlCl3,:+AlCl3,,3-[6]55+Br266%H2SO4130e86%,3+Hg(OAc)2$,Friede-lCrafts,1BrownRD,HeffernanML.AustralJChem,1956;9:832BrownEV,NeilRH.JOrgChem,1961;26:35463denHertogHJ,etal.RecTravChim,1958;77:9634MeElvainSM,GoeseMA.JAmChemSoc,1943;65:22335vanderPlasHC,denHertogHJ.RecTravChim,1962;81:841,JOrgChem,1961;26:26116denHertogHJ,etal.RecTravChim,1962;81:864,,97%,,,-78eMITX.Verdaguer[Cp2Ti(P-ClC6H4O)2](TBAF),TBAF,Cp2TiH,Ti)H,R-,,[J.Am.Chem.Soc.,117,12641(1995)]56