Boris Tanaseichuk

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The room temperature oxidation of betulin by Cr(VI) compounds in aqueous acetone on solid supports such as alumina, zeolites and silica gel has been studied. The oxidation on alumina support leaded to a single product--betulonic acid--in quantitative yield. One hundred percent selective oxidation during 30 min of betulin up to betulonic aldehyde was(More)
Some ant imetabol i tes of nicot inamide such as 6-aminonicot inamide p o s s e s s a considerable ant i tum o r a l act ivi ty [1-3]. The ant i tumora l act ivi ty of the ant imetabo! i tes of nicotinamide, which is a p r e c u r s o r of the pyridine nucleotides [4], is evidently connected with a deficiency in the cancer cell of the pyridine nuc l eo t(More)
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