Nucleosides and Nucleotides p. 1545 - 1558 (1995)
Update date:2022-08-02
Topics:
Routledge
Walker
Freeman
Hay
Mahmood
4-Acyloxybenzyl bis(nucleosid-5'-yl) phosphates 7a-c and 9a-c were prepared as potential prodrugs of the anti-HIV nucleosides 3'-azido-3'- deoxythymidine (AZT) and 2',3'-dideoxyinosine (ddI) or their 5'- monophosphates. The anti-HIV activities of these triesters were determined in two T-cell lines. In a C8166 cell line they displayed activities comparable to and in some cases superior to AZT, but they also exhibited an increase in cytotoxicity. In a thymidine kinase deficient JM T-cell line the activity was reduced but was still superior to AZT. In the presence of porcine liver carboxyesterase (PLCE), triester 7b biodegrades to the diester 10 which, with phosphodiesterase, gives initially AZT monophosphate 3 and AZT.
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Doi:10.1016/S0022-328X(00)83726-2
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(1999)Doi:10.1007/BF01796060
(1995)Doi:10.1007/BF00714443
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