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Journals and Conferences
Two types of prodrugs, benzyl analogues of isophosphoramide mustard (iPAM), activated by cytochrome P450, and acylthioethyl analogues, activated by esterases, were designed. In contrast to iPAM that hydrolyse rapidly, the examined compounds are stable in phosphate-buffered saline and Tris buffer. Benzyl analogues of iPAM are poor substrates for cytochrome… (More)
[reaction: see text]. Nucleoside 5'-O-(alpha-thiotriphosphates) were obtained in reactions of the appropriate nucleoside 5'-O-(2-thio-1,3,2-oxathiaphospholanes) with pyrophosphate in the presence of DBU. The presented method allows also for preparation of alpha-seleno congeners and corresponding alpha-modified diphosphates.
Racemic mixtures and laevorotatory enantiomers of cis- and trans-4-hydroperoxyifosfamide and 4-hydroperoxybromofosfamide possess high antitumour activity both in vitro and in vivo. However, no major differences in biological activity were observed among these stereoisomers.
Dibenzylphosphorobenzyl and phosphorobenzyl analogues of isophosphoramide mustard, an active metabolite of ifosfamide were synthesized. Phosphorobenzyl analogue posseses stronger cytotoxic activity than isophosphoroamide mustard against the cells of several cancer cell lines suggesting the possibility of the use of this compound in Gene-Directed… (More)
Dithymidylyl-3',5'-phosphorofluoridate and phosphorothiofluoridate were obtained by fluorinolysis of the P--Se bond in appropriate bisdimethoxytrityl selenomethyl esters. These compounds, which are hydrolytically unstable, are not inhibitors of snake venom, spleen phosphodiesterases and alkaline phosphatase. Neither compound is highly toxic.