2021年缩合反应练习题2

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1、第四章缩合反应练习题一、举例说明或解释以下人名反应。1.Mannich反应2.Strecker反应3.Michael反应4.Knoevenagel反应5.Perkin反应6.Stobbe反应7.Wttig反应8.Darzens反应9.Diels-Alder反应10.Aldol缩合二、请选出下列反应的主产物。t-BuOKO1.ClCH2COOC2H5()()t-BuOHA.ClCHCOOC2H5B.ClCH2COOCHCH2OOC2H5CHCOOC2H5OHOC.CH2COOC2H5ClCHCOO

2、CHCH2OOC2H5D.CHCOOC2H5Cl浓NaOD/D2O2.CHO()+()A.CH2OD+COOHB.CH2OH+COONaC.CH2OD+COONaCH2ONa+COONaD.OH3.(CH3)2CCHCHO()A.(CH3)2CCHCH2CH2CCHCHOB.(CH3)2CCHCH2CHCCHCHOCH3OHCH3C.(CH3)2CCHCH2CH2CCHCOOH(CH3)2CCHCHCHCCHCHOD.CH3CH3O加热+O()4.O精品学习资料可选择pdf第1页，共9页----

3、-------------------OOOOA.OB.OC.OD.OOOOOOONaOEtCHONa+()5.EtOHA.HCHOB.HCOOEtC.HOOCCOOHD.CO2(CH3CH2CO)2O6.CH3CHO()CH3CH2COOK,加热A.H3CCHOB.H3CCH2COOHCH3OOHC.H3CCHCCOOHD.H3CCHCOOHCH3CH3OC2H5ONa7.+CH2(COOC2H5)2()C(COOC2H5)2OA.B.CH(COOC2H5)2OOC.D.CH(COOC2H5)

4、2COCH2COOC2H5Br2C2H5OH8.CH3CH2COOH()()红PH+()OH+CHCOOC2H5Zn,甲苯H3OCH3精品学习资料可选择pdf第2页，共9页-----------------------A.CH3CH2COBrCH3CHCOOC2H5OCH2CH3B.CH3CHCOOHCH3CHCOOC2H5OBrBrC.BrCH2CH2COOHCH3CHCOOHOCH2CH3D.CH3CH2CHOCH3CH2COOC2H5OHCl9.COCH3+HCHO+()NHAOBOHHH

5、22CCCN.HClCCH3.HClH2NCOHDOH2CCCN.HClCCCH3.HClHOHHCHO10.CHO+HCHO()()稀浓OHCH2OHCH2OHCHOCH2OHA.B.CHOCH2OHCHOCOOHCH2OHCOOHCH2CHOC.D.OCH2OHCOOHCH2CH2OHOPh3P=CH2CH2I2()()11.过量ZnOCH2CH2A.B.CH2CH2CH2CH2C.D.CH2O精品学习资料可选择pdf第3页，共9页-----------------------OHH2Na2

6、Cr2O7稀OH12.()()()Ni加热H2SO4COOHOOOHHOOHOA.B.OOOHOHOOC.D.O+H13.CH3CHCH2CH2CH2COOH()加热OHAH2CCHCH2CH2CH2COOHBH3CHCCHCH2CH2COOHCOOODCH3CHCH2CH2CH2COCCH2CH2CH2CHCH3OOHOHCH3OHCH3COClAlCl314.()()OOHOOCCH3OHOOCCH3CCH3A.B.COCH3OOOHOCCH3OCCH3OHOC.D.CCH3COCOCH3C

7、H3稀NaOH15.CHO+CH3CHO()OOOA.B.COHC.CH3D.CCHCHOOHOOOHCH3HCOClBr2-NaOHNH3()()16.H2C精品学习资料可选择pdf第4页，共9页-----------------------CH3CH3CH3CH3HCONH2HCONHBrHCONH2HBrA.B.H2CH2CH2CH2CNH2CH3CH2CH3CH3HHCONH2HCONH2HNH2C.D.H2CH2CH2CH2COOKOH()17.NH()NOOOOCH2BrCH2OHA

8、.OHB.OOHOOOOCH2BrCH2OHC.D.NHNKOOCOOEtC2H5ONa稀NaOH-H2O18.()()+CH3COOH/H2OH3O,加热OOOOHA.OOB.COOEtOOHC.OOHOOOD.OOHCH3CO2K19.CHO+Ac2O()O精品学习资料可选择pdf第5页，共9页-----------------------CH2COOHHOOCH2CCH2COOHA.B.CHCHCOOKC.D.OCHOOOCHOOCHOOt-BuOK20.+ClCH2COOEt()t-Bu