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EnglishThe synthesis and “in vitro” chemical and enzymatic stability of Dopa/Benserazide conjugates (2 and 3) as dual acting codrugs are described. These codrugs possess a good lipophilicity (log P = -0.10) when compared to the parent drug LD and benserazide. Furthermore carbonyl and oxalyl spacers provide adequate stability in aqueous buffer solutions (pH 1.3 and 7.4). In 80% rat plasma at 37 °C, catechol esters and amide bonds of the studied derivatives were cleaved, and LD and benserazide were formed in one step. Our findings indicate that synthesized codrugs show good stability toward g.i. hydrolysis releasing LD and benserazide in rat plasma after enzymatic hydrolysis.
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| Titolo: | Synthesis and Preliminary Evaluation of L-Dopa/Benserazide Conjugates as dual Acting Codrugs |
| Autori: | |
| Data di pubblicazione: | 2006 |
| Rivista: | |
| Abstract: | The synthesis and “in vitro” chemical and enzymatic stability of Dopa/Benserazide conjugates (2 and 3) as dual acting codrugs are described. These codrugs possess a good lipophilicity (log P = -0.10) when compared to the parent drug LD and benserazide. Furthermore carbonyl and oxalyl spacers provide adequate stability in aqueous buffer solutions (pH 1.3 and 7.4). In 80% rat plasma at 37 °C, catechol esters and amide bonds of the studied derivatives were cleaved, and LD and benserazide were formed in one step. Our findings indicate that synthesized codrugs show good stability toward g.i. hydrolysis releasing LD and benserazide in rat plasma after enzymatic hydrolysis. |
| Handle: | http://hdl.handle.net/11581/250359 |
| Appare nelle tipologie: | Articolo |
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