| 3 | AN ATTEMPT TO SYNTHESIZE HOMOCLAUSENAMIDE AND ZETACLAUSENAMIDE -Study of The Intramolecular Cyclization显示文摘OPhcall}'activeScrutinizingthestructuresofthesevenamidesoffivedifferenttypeSofskeletons,aplausiblebiogenicrelahonshiphasbeensuggestal[,'].Sincethetwoacyclicamides(6,7)wereisolatedwithfivecy'clicamides(l,2,3,4and5).itissuggestedthattheacyclicamideSarethePreC￣ofthelactamsintheplant.Detherationalbasis,thebiomimehcsyntheticroutehasbeenenviSagedl2].Theintramolecularcyclisationofacyclicamide(N-methyl-N-(2-oxo-2-phenyl-)ethyl-3-phenyloxirmboxamide)hasgivenasatisfyingresultinthesynthesesofclausenamide3I3],neoclaus? | Nian Chun MA Ke Met WU and Liang HUANG(Institute of Materia Medica. Chinese Academy of Medical Sciences.Peking Union Medical College. Beijing 100050, China) | 1996 | Chinese Chemical Letters1996，7，8： | 0 |
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