[CH2:1]([O:8][C:9]1[CH:10]=[C:11]2[C:15](=[CH:16][CH:17]=1)[NH:14][CH:13]=[CH:12]2)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.N1C=CC=CC=1.[Cl:24][CH2:25][C:26](Cl)=[O:27].C(OCC)C.O>O1CCOCC1>[Cl:24][CH2:25][C:26]([C:12]1[C:11]2[C:15](=[CH:16][CH:17]=[C:9]([O:8][CH2:1][C:2]3[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=3)[CH:10]=2)[NH:14][CH:13]=1)=[O:27]5-(Benzyloxy)indole in dioxane containing pyridine was stirred for 1 hr. at 65° C. under nitrogen while chloroacetyl chloride in dioxane was added dropwise. The reaction mixture was stirred for another 1 hr., then poured into diethyl ether-water. The precipitate was collected by filtration and washed thoroughly with cold Et2O to yield 19, an orange solid.
Wird geladen…