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dc.contributor.authorHolmes, Estee-Marie
dc.contributor.authorBreytenbach, Jaco C.
dc.contributor.authorGerber, Minja
dc.contributor.authorDu Plessis, Jeanetta
dc.identifier.citationHolmes, E-M. et al. 2010. Synthesis and transdermal penetration of stavudine-5'-esters. Medicinal chemistry, 6(5): 271-276. []en_US
dc.identifier.issn1875-6638 (Online)
dc.description.abstractThe aim of this study was to investigate the effects of different ester groups in position 5’ of stavudine on the transdermal penetration with and without the use of Pheroid™ as the delivery system. Six esters were prepared by reaction of stavudine with six different acid chlorides at room temperature. Female human abdominal skin was used for in vitro penetration in Franz diffusion cells. The experimental aqueous solubility of stavudine (104.75 mg/mL) was much higher than that of the synthesized derivatives (ranging from 0.08 to 5.17 mg/mL), while the log D (octanol-buffer partition coefficient) of stavudine (-0.85) was lower than that of its derivatives (ranging from -0.41 to 3.06). The experimental transdermal flux of stavudine (6.52 μmol/cm2.h) in PBS (phosphate buffer solution) was much higher than that of any of its derivatives (0.06 – 0.23 μmol/cm2.h), while the propionyl (6.64 μmol/cm2.h) and the butyryl esters (6.87 μmol/cm2.h) had the highest transdermal flux using the Pheroid™ (0.75 – 6.87 μmol/cm2.h) system.en_US
dc.publisherBentham Scienceen_US
dc.subjectDelivery systemen_US
dc.subjectSkin penetrationen_US
dc.subjectStavudine estersen_US
dc.subjectTransdermal deliveryen_US
dc.titleSynthesis and transdermal penetration of stavudine-5'-esters.en_US
dc.contributor.researchID12243442 - Holmes, Estee-Marie
dc.contributor.researchID10059768 - Breytenbach, Jaco Cornelius
dc.contributor.researchID10065318 - Du Plessis, Jeanetta
dc.contributor.researchID11329025 - Gerber, Minja

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