黄酮类判断A、B环的取代模式,可用A.MEOH光谱B.NAOAE光谱C.NAOME光谱D.NAOAC/H3BO3光谱E.1H—NMR谱

黄酮类判断A、B环的取代模式,可用

A.MEOH光谱

B.NAOAE光谱

C.NAOME光谱

D.NAOAC/H3BO3光谱

E.1H—NMR谱


相关考题:

黄酮类判断有无3一OH取代,可用A.MEOH光谱B.NAOAE光谱C.NAOME光谱D.NAOAC/H3BO3光谱E.1H—NMR谱

黄酮类判断有无7一OH取代,可用A.MEOH光谱B.NAOAE光谱C.NAOME光谱D.NAOAC/H3BO3光谱E.1H—NMR谱

黄酮类判断有无4一OH取代,可用A.MEOH光谱B.NAOAE光谱C.NAOME光谱D.NAOAC/H3BO3光谱E.1H—NMR谱

黄酮类判断有无邻二酚羟基取代,可用A.MEOH光谱B.NAOAE光谱C.NAOME光谱D.NAOAC/H3BO3光谱E.1H—NMR谱

黄酮类判断有无7-OH取代,可用A.Me0H光谱B.NaOAe光谱C.NaOMe光谱D.NaOAc/H3803光谱E.1H—NMR谱

黄酮类判断A,B环的取代模式,可用A.Me0H光谱B.NaOAe光谱C.NaOMe光谱D.NaOAc/H3803光谱E.1H—NMR谱

黄酮类判断有无邻二酚羟基取代,可用A.Me0H光谱B.NaOAe光谱C.NaOMe光谱SXB 黄酮类判断有无邻二酚羟基取代,可用A.Me0H光谱B.NaOAe光谱C.NaOMe光谱D.NaOAc/H3803光谱E.1H—NMR谱

黄酮类判断有无3-OH取代。可用A.Me0H光谱B.NaOAe光谱C.NaOMe光谱D.NaOAc/H3803光谱E.1H—NMR谱

黄酮类判断有无4-OH取代,可用A.Me0H光谱B.NaOAe光谱C.NaOMe光谱D.NaOAc/H3803光谱E.1H—NMR谱