缩合反应练习题

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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-BuOK1°C比COOC2比飞寸A.C1CHCOOC2H5«/THCOOC2H5b.cich2coo-/-AOHC・ch2cooc2h5

2、CH3)2C^=CH-CHO►(B.(CH3)2C=CH-CH2-CH-C=CHCHOOHCH3D(ch3)2c=ch-ch=ch-c=chcho*ch3A.(CH3)2C=CH-ch2-ch2-c=chchoch3C.(CH3)2C=CH-CH2-CH2-C=CHCOOHCH3加热NaOEtEtOHA・HCHOB.HCOOEtC.HOOCCOOHD・co26.(CHsCHzCObO-CH3CH2COOK,加热CHOc.CH二f-COOHch3+CH2(COOC2H5)2GWNa8.CH3CH2COOHQ^cooc2h5ch3

3、)C2H5OHH+()iZn,甲苯H3O+A.CH3CH2COBrCH3CHCOOC2H5ch2ch3B.CH3CHCOOHIBrc.Bi

4、oo一oeNw£ncnOHOCOHO・9LB.CH3H—^CONH2h2c3Brc.D.KOHONOCHoOHJD.O18.OOOHA.B.C.OOOHOD.CH3CO2KAc2OCHO)%NaOH-H2O出0+,加热'C2H5ON3CH3COOH/H2OCOOEtOOOOHOOCH.Cc.+CICH2COOEtt・BuOKt-BuOH)0)H2C二-CH3h2oNaOAc加热m3ch2ch2cch3och3on-ch2ch2cch3EtOH,H)L1AIH4CH2(COOEt)zEtONa23.aCH2OHCH2OHOoPh

5、MgBr^Zoch2ohch2ohch2ohch2oh)PB「3「CHOA・PhCHCH2OHPhCHCH2BrOHBrB・PhCH=CH2C.PhCHCH3OHPhCHCH2BrBrPhCHCH3BrD.PhCH2CH2OH+HCHO+(CH3)2NHOHaCH2ClCH2C1ch2cich2ohPh3P=CCH2PhBrCH.CPhPPh3COOEtCOOEtPPh3NaOHPh3P=CHCH2PhPPh3PhegPhCH2CH2BrPh3P=CHCH2Ph2N(CH3)2B.(H3C)2NH2COHOHPICH-CHCH

6、PhILHCH=CHCH2PhCH2N(CH3)2D.OH25.A./C00CH3B.H+,加热CH2CH=CH(CH3)C.CH=CHCH(CH3)2OHoIICH3CH2CCI,Aici*ch311OKOHC2H5OHNaOHBrCH2CH2CH2CH3OOOC)COONaCOONaCOONaCOONaCH3CH2CH2CH2NH2ch3ch2ch2ch2nh2C.COOHCOOHOCH3CH2CH2CNH2D.OOch3ch2ch2ch9nh9+h2c=chcoch3KOHH2C=P(C6H5)3)O30.CICH2CO

7、EtNa°EtB.I).oCOOC2H5chch2ohD.OH7FoIIC-CHCOOHch3/Q»I11COOC2H5^-COOHch3CHCHOOHcCH2