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1、Chapter72DCorrelationNMRSpectroscopyPrinciplesof1Dand2DNMRSpectroscopy1HNMR13CNMR2DNMRH,HCOSYPrinciplesof2DNMRSpectroscopyt=191t1t=01ν2t1Principlesof2DNMRSpectroscopy(π/2)(π/2)xxtt12(evolution)(acquisition)Principlesof2DNMRSpectroscopyν1ν1ν2ν2Stackedp
2、lotcontourplotPrinciplesof2DNMRSpectroscopyS(tt)S(tF)1,21,2fidnit1FT(t2)t1fid1Ffff2123t2rotating90of1f1(fid1)S(FF)1,2ff1f2F22FT(t)f(fid2)f123f3f(fid3)3F1t12DJ-δresolvedcοrrelationspectroscopyTheHomonuclear2DJ-Spectrum-JF0HJHH1Z+JF45oδTiltingJ-spectra2
3、TheHomonuclear2DJ-δSpectrum12β12α2Dprojection2DstackedplotJHHδ12α12β2DcrosssectionTheHomonuclear2DJ-δSpectrumahighcontourlevelJHHalowcontourlevelδTheHomonuclear2DJ-δSpectrum1HNMRprojectionF2artifactsJHHcontourδTheHomonuclear2DJ-δSpectrumofβ-ionone5-CH
4、3projectionstackedplot3-H2-H2-H3-HJ3,2a,4aJ2,35J3a,eJHH32J2a,eJ3,4e,2ecrosssectionδcontourplotTheHomonuclear2DJ-δSpectrumof1,4,9-triazaphenoxanthin3J3J7,6J3J6,7HH8,78327643J3JJ3,22,38,64J6,83J7,83J=3J4J=4J3J=3J3J=3J8,77,88,66,83,22,37,66,732F67crossse
5、ction281HNMR8.0δΗ7.2TheHomonuclear2DJ-δSpectrumofSemburin3a7e7a73e6a1HNMR1011δΗb543J7a,6e91J7e,6e7e,6a7a,6a3e7a,e7e,aJHH3a7e3e7a3e,a3e,43e,5wJ7e,6a=J7a,6e!crosssectionTheHomonuclear2DJ-δSpectrumofSemburin11b11a110b11101HNMRa54e10,49110,11b11a,4a11a,b1
6、0,11a11,5w11a,101,9e1,9aJHH10111b11a11b,1011b,a11b,4Fδ2TheHeteronuclear2DC,HJ-δSpectrumof5α−AndrostaneδCprojection13CNMR1JCHTheHeteronuclear2DC,HJ-δSpectrumofCholestanolF11JCHF2δCTheHeteronuclear2DJ-δSpectrumofNorharmane1JCHF2δCTheHeteronuclear2DC,HJ-
7、δSpectrumCCdcJCc,Hd1J=168HzJCH1JCd,Ha,HbJ=166HzCc,Hb,HaCHJCd,Hc1J1JCHcrosssectionCHComparisionofHeteronuclearandHomonuclear2DJ-δspectrumHomonuclear2DJ-δSpectrumHeteronuclear2DJ-δSpectrumJCHJHHHzJHzHH45oδδ
