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CI, ()C6HsCHshy →,H20,CH!COOH CH2 B2H6 PBr3 (1)Mg H,O ,0, OHO (2)CO (3)HCH2C)3 LiAIHA HgC(H2 C)3 MnO2 COOC2Hs H3o CH2OH CHO (4) NacN CN HO HNO CH3 NacN CH3 CH,OH ( 8) CH3COOH 5.推测下列化合物的构造式: (1)C3H4O4, HNMR, 8 H(ppm): 3. 2(s, 2H), 12. 1(s, At, 2H) (2)C4HN,HNMR,6Hpm)1.3(d,6H)2.7(m,1H,IR(cm)2260 (3)CaH14O4,HNMRδ(pm)12t6H)2.5(s.4H)41(4H)R(cm2):1750 (4)ClH14O4HNMR,8(pm):1.4(.44(q)8.1(s),积分曲线高度之比为3:2:2 IR(cm):1720,1605,1500,840 答案O2 V2O5 NH3·H2O Cl2 NaOH (5) O (6) HNO3 △ (7) CH3 CH3 KMnO4 H △ (8) CH3COOH Cl2 P NaCN CH3CH2OH H (1) C6H5CH3 Cl2 hγ H2O OH CH3COOH H (2) CH2 B2H6 H2O2 OH PBr3 (1) Mg (2) CO2 H3O (3) CHO NaCN H (4) HO C CN H3O C C H COOC2H5 H3C(H2C)3 H LiAlH4 H3O C C H CH2OH H3C(H2C)3 H MnO2 5. 推测下列化合物的构造式: (1) C3H4O4, 1 HNMR,δH(ppm):3.2(s,2H),12.1(s,宽,2H) (2) C4H7N,1 HNMR,δH(ppm):1.3(d,6H),2.7(m,1H);IR(cm-1):2260. (3) C8H14O4, 1 HNMR,δH(ppm):1.2(t,6H),2.5(s,4H),4.1(q,4H);IR(cm-1):1750. (4) C12H14O4, 1 HNMR,δH(ppm):1.4(t),4.4(q),8.1(s),积分曲线高度之比为 3:2:2。 IR(cm-1):1720,1605,1500,840。 答案:
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