Efficient synthesis of new 17-, 18-, 19- and 20-membered N2O2-donor macrocycles by NaBH4 reduction and metal picrate extraction studies
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DOI: 10.1007/s10847-020-00987-y
Abstract: Four new N2O2-donor macrocycles mDo4R, mDo5R, mDo6R, mDo7R (mDo4R = 1,5-diaza-2,4:7,8:15,16- tribenzo-9,14-dioxa-cycloheptadecane, mDo5R = 1,5-diaza-2,4:7,8:16,17-tribenzo-9,15-dioxa-cyclooctadecane, mDo6R = 1,5-diaza-2,4:7,8:17,18-tribenzo-9,16-dioxa-cyclononadecane; mDo7R = 1,5-diaza-2,4:7,8:18,19-tribenzo-9,17-dioxa-cycloeicosane) were prepared by NaBH4 reduction of appropriate macrocyclic Schiff bases in high yields. The compounds were characterized by means of FT-IR and… read more here.
Keywords: extraction; n2o2 donor; tribenzo dioxa; nabh4 reduction ... See more keywords