有机化学教学中以曲线图表提供的数据为载体培养学生的创新能力

246200412JOURNALOFSHANGRAONORMALCOLLEGEVol124,No16Dec12004:2004-09-01:2002:(1960-),,,,,,,,,(,334001):,,,:;;:O621:A:1004-2237(2004)06-0039-04,,;,,,,,,,,2002,,,1()(),,,446,,,:(1)(2)©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.(3)(4)1-1-(5)(6)(7)(8)1-(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19)(20)(21)(22)(23)(24)(25)(26)(27)(28)(29)SN1(30)SN2(31)(32)(33)(34)(35)(36)(37)Diels-Alder(38)(39)(40)(41)(42)(43)(44)(45)(46)()2,2.1,,,,,,,,(),,,3-5,2.2,,,,,,,,2.3,,,,(),,,,042004(24)©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2.4,,(),,()3::()1[1,2]pKapKa1CH3NO210.2110CH3COCH3202CH2(NO2)23.5711CH2(COCH3)293CH(NO2)312CH(COCH3)35.854CH3SO2CH32313CH3CN25(DMS0)5CH2(SO2CH3)21414CH2(CN)211.2(DMS0)6CH(SO2CH3)3015CH(CN)30(DMS0)7C6H5CH2-H41()16CH4498(C6H5)2CH-H34()17CH3CH3509(C6H5)3C-H31.5()1816:(1)14710131617pKa,(2)(123;456;789;101112131415)pKa,?(3)pKa,?:,1.,pKa,,;,,,2.,,,,pKa,:(1)()(2),,pKa=49,CH,CH;,CHCH,,(3),,:146:©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.2(20)[3]pKapKaCH(CN)3-5.1CH2(CN)211.2CH(NO2)30.2CH2(SO2CH3)212.5CH2(NO2)23.6CH2(CO2C2H5)213.3CH2(COCF3)25.4C6H5COCH316.0CH(COCH3)35.816.0C6H5CH2NO26.817.0CH2(COC6H5)29.017.0CH2(COCH3)29.0CH3COCH320.0HCN9.2CH3SO2CH323.0CH3NO210.2CH3CN25.0C2H5O2CCH2COCH310.7:()pKa,,pKa,:NO2C=OSO2COORC6H5R4,,,,,,,,,,;,,:,,,,:[1],,.()[M].:,1993:476.[2].()[M].:,1990:237.[3].()[M].:,1990:374.TheCultivationofUniversityStudentsCreativeAbilitybyOriginalExperimentalDatainOrganicChemistryTeachingZHENGDa2gui,YEHong2de,XIAOZhu2ping(ShangraoNormalCollege,ShangraoJiangxi334001,China)Abstract:Aseriesoforiginalexperimentaldatasuppliedbytablesandcurvesareselectedtocarryoutstudyteachinginorganicchemistryteaching,whichcanplayanactiveroleinthecultivationofuniversitystudentscreativeability,scientificattitudeandscientificmethod.KeyWords:Organicchemistryteaching;experimentalmaterial;creativeability242004(24)©1995-2006TsinghuaTongfangOpticalDiscCo.,Ltd.Allrightsreserved.