第十二章苯环的亲电取代、亲核取代反应及芳环取代基的反应习题12-1+XXX+HXHX=F,ΔHo=464+159-(532.4+571)=-480.4(kJmol-1)X=Cl,ΔHo=464+242-(402+432)=-128(kJmol-1)X=Br,ΔHo=464+192-(339+366)=-49(kJmol-1)X=I,ΔHo=464+150-(280.4+298)=+35.6(kJmol-1)以上计算结果表明:卤素与苯发生取代反应的活性是F>Cl>Br>I,且氟代反应放热很大,反应可能过于剧烈,从而导致进一步碳碳键等断裂副反应。由于碘代反应的焓变值为正值,该反应的熵变是比较小的,因此,从热力学上说,该反应难以直接发生。习题12-2(P511)+(CF3COO)2TlOCCF3OTl(OOCCF3)2HTl(OOCCF3)2-H++CF3COO-习题12-2(P512,应该为12-3,以下题号也应该相应顺延)NO2+NO2+NO2+习题12-3NO2+NO2NO2++morestable·244·第十一章氧化还原反应习题12-4SO3+SO3+SO3+S+OOOS+OOOS+OOO习题12-5+SO3D+SO3DD+DSO3D+D+SO3D+D2O习题12-6(1)CH3CH=CHCH3+H+CH3CHCH2CH3+(2)CH3CHCH3OH+H+CH3CHCH3OH2+CH3CHCH3+-H2O(3)O+AlCl3+CH2CH2OAlCl3++CH2CH2OAlCl3CH2CH2OAlCl3H+CH2CH2OAlCl3-H+H2OCH2CH2OH+AlCl3+3HCl::习题12-7(1)、(2)、(4)习题12-8C(CH3)3CCH3CH2CH3CH3CCH(CH3)2O,(1)(2)(3)习题12-9(1)不合理,其产物为:CCH2OHCH3CH3合成路线参见习题12-8(3)第十一章氧化还原反应·245·(2)不合理,+CH2CClOAlCl3OZn-Hg习题12-10(1)OCH2CH3CH2CH3CH2OCH3>>(2)NHCH3NHCH2COCH3NHCOCH3>>(3)OCH2COCH3OCOCH3CH2COCH3>>习题12-11(略)习题12-12题目应该为:苯胺发生硝化反应的活性不如乙酰苯胺,且得到间位为主的产物,为什么?因为硝化是在酸性条件下进行,此时胺会质子化,形成铵基阳离子,从而转化为钝化基团,间位定位。习题12-13(略)习题12-14(略)习题12-15(1)OCH2COC2H5OCOC2H5CH2OC2H5>>COOC2H5>(2)NHCH2CH3NHCH2COCH3NHCOCH3>>CONHCH3>·246·第十一章氧化还原反应(3)CH2OHCOCH3CNNO2>>>(4)OCOCH3ClCOCH3N(CH2)3Cl>>>习题12-16CH(CH3)2CH(CH3)2C(CH3)3CHCH2CH3H3C(1)(2)(3)(4)习题12-17产物稳定性。因邻硝基苯酚中分子内氢键的存在使其稳定性增加。NOHOO-习题12-18CH3NO2CH3OCH3CH3ClCH3NHCOCH3(1)CH3CNCH3BrCH3SO3HCH3COOCH3(2)第十一章氧化还原反应·247·CH3CHOCH3CONH2CH3OCH3CH3Br(3)CH3NO2CHOCH3CONH2CH3OCH3CHOCH3BrBrOCH3(4)习题12-19CH3CH2CH2COClAlCl3COCH2CH2CH3H2SO4COCH2CH2CH3SO3HTMZn-Hg,HCl习题12-20HNO3Fe+HClBr2FeBr3(1)CH3CH3NO2CH3NH2CH3NH2BrBrCO+HCl(2)CH3CH3CHOCH3CHONO2AlCl3,CuClHOCH2CH2OHHCl无水CH3CHOO(1)HNO3,H2SO4(2)H3+O+(CH3)2CHCH2CClOAlCl3CCH2CH(CH3)2OHNO3H2SO4(3)·248·第十一章氧化还原反应NO2NH2NH2,OH-ONO2(4)Br2hvCNH2Pd/CCH3CH2BrCH2CCH2CH2NH2N(CH3CO)2O(1)HNO3,H2SO4(2)H2O,OH-CH2CH2NH2NO2Br2FeBr3CH2CH2NH2NO2BrCH2CH2NHCOCH3NO2习题12-21主要进入1-位是因为生成的活性中间体具有相对稳定的三个保留苯环的共振结构:OCH3OCH3EE+OCH3EOCH3EOCH3EOCH3EOCH3EHHHHHHmorestable而进入3-位或6-位形成的活性中间体只有一个保留苯环的共振结构。OCH3OCH3E+OCH3OCH3OCH3OCH3OCH3EHEHEHEHEHEH第十一章氧化还原反应·249·OCH3OCH3E+OCH3OCH3EHOCH3OCH3OCH3EHEHEHEHEH习题12-22NHCOCH3OHCH3次主主次有时习题12-23NHClClSOONO2SCH2ClOBr(1)(2)(3)(4)习题12-24NNBrCOCH3NCH2CH2CH3NHNNO2NSO3(1)(2)(3)(4)(5)(6)习题12-25OC2H5O2NNO2NO2N(C2H5)2NO2NO2S(C2H5)2NO2NO2NHOHNO2NO2(1)(2)(3)(4)习题12-26NaNH2Na++NH2N+NH2NNH2NNH2NNH2H-HNNH2习题12-27·250·第十一章氧化还原反应NC2H5NNH2OCH3NOCH3C2H5NOCH3NHC6H5(1)(2)(3)(4)NH2习题12-28Br2FeBr3NH2BrBr1.NaNO2,HCl2.H3PO2,OBrBrBrNH2Br习题12-29NH2Ac2ONHCOCH3HNO3NHCOCH3NO2NH2NO2H3O+1.NaNO2,HCl2.CuCN,KCNCNNO2习题12-30NH2(1)AC2ONHCOCH3H3O+SO3NH2SO31.NaNO2,HCl2.N(CH3)2甲基橙(1)(2)HSO4(2)N2N2+SO3NH2刚果红(详细路线略)2(3)2NaO3SCH2CH2O2SN2++NaO3SSO3NaOHNH2活性黑5(详细路线略)C2H5C2H5SO3H(4)H2SO4HNO3H2SO41.Fe+HCl2.NaNO2,HClC2H5SO3HNO2第十一章氧化还原反应·251·C2H5SO3HN2C2H5SO3HCNC2H5CNCuCNKCNH+(5)HNO...