COC1C=C(C2[C@H]3[C@H](CC=CC3)C(=O)NN=2)C=CC=1OC.C(Cl)C1C=CC=CC=1.[CH2:30]([N:37]1[N:46]=[C:45]([C:47]2[CH:52]=[CH:51][C:50]([O:53][CH3:54])=[C:49]([O:55][CH3:56])[CH:48]=2)[C@H:44]2[C@H:39]([CH2:40][CH2:41][CH2:42][CH2:43]2)[C:38]1=[O:57])[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1>>[CH2:30]([N:37]1[N:46]=[C:45]([C:47]2[CH:52]=[CH:51][C:50]([O:53][CH3:54])=[C:49]([O:55][CH3:56])[CH:48]=2)[C@H:44]2[C@H:39]([CH2:40][CH:41]=[CH:42][CH2:43]2)[C:38]1=[O:57])[C:31]1[CH:32]=[CH:33][CH:34]=[CH:35][CH:36]=1Prepared from compound 3 and benzylchloride as described for compound 78. Purified by chromatography [ethyl acetate: petroleum ether (60°-80° C.)/1:3]. Crystallized from diethyl ether. M.p. 133°-135° C.
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