verity of elene and Taeimooy of 2硝化 浓H2SO4 hNO3 NO 浓H2SO4 +发烟HNO3 CH3 CH3 浓H2S HNO TNT 进攻质点: HONO, +2H2SO H3O+2HSO4+NO2硝餘离子 NO2+BF4,NO24CLO4,CH3 OONO2+等也可以作为硝化剂 偶氮染料 应用:NO2 SOH 磺胺药 H2N rganic
University of Science and Technology of China Organic Chem 2.硝化 + HNO3 浓H2 SO4 NO2 +发烟 HNO3 浓H2 SO4 NO2 NO3 + HNO3 浓H2 SO4 NO2 CH3 CH3 O2N NO2 TNT 进攻质点: HONO2 +2H2 SO4 H3O + + 2HSO4 - + + NO2 硝鎓离子 NO2 + BF4 - , NO2 + CLO4 - , CH3COO - NO2 + 等也可以作为硝化剂 应用:-NO2 NH2 磺胺药 偶氮染料 H2N SO3H
verity of elene and Taeimooy of 3磺化 SO3H 浓H2SO470-80°C +H2o 或10%发烟H2SO4 25C SO,H 200~245'C 280~-290′C t H2so4 sO3 HO3S SOH SO,CI +2CsoH→ 进攻质点SO3:2H2SO4 H3O+HSO4+ SO3 除水促进正反应(发烟H2SO4) 讨论:可逆反应 从苯环上清去SO3H OH OH OH OH H2SO4 SOH Br SO3H H0 Br SO3H SO3H rganic
University of Science and Technology of China Organic Chem 3.磺化 浓H2 SO4 70~80C 或10%发烟H2 SO4 25C SO3H + H2O SO3H + H2 SO4 SO3 200~245C SO3H SO3H 280~290C SO3H HO3 S SO3H + 2ClSO3H SO2Cl 讨论:可逆反应 从苯环上清去SO3H 除水促进正反应(发烟H2 SO4) OH H2 SO4 OH SO3H SO3H Br2 OH SO3H SO3H Br H2O OH Br 进攻质点SO3: 2H2 SO4 H3O + + HSO4 - + SO3
nwveraity of elane and T8chooy of 4付克反应( Friedel-Crafts2 R AIX RX C(CH3)13 H2SO4 进攻质点R +(ch3)3 COH OH RX AlX3 R +AIX4 60′C ROH+H—R++H2O HF >C=C+H+--C-CI OC CH2=CH3 H2SO4 CH2CH3 40-60atm 230-245C rganic
University of Science and Technology of China Organic Chem 4.付-克反应(Friedel-Crafts)2 + RX AlX3 R + (CH3 ) 3COH H2 SO4 C(CH3 ) 3 + OH BF3 60C + HF 0C + CH2 =CH2 H2 SO4 40-60atm 230-245C CH2CH3 进攻质点R + : RX + AlX3 R + + AlX4 - ROH + H + R + +H2O C=C + H + C CH