Use of Pd/Sepiolite systems as hydrogenation catalysts I. Hydrogenolysis of N-blocked amino acids and dipeptides with molecular hydrogen |
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| Authors: | M A Aramendía V Borau C Jiménez J M Marinas and M E Sempere |
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| Institution: | (1) Departmento de Química Orgánica, Facultad de Ciencias, Universidad de Córdoba, Cordoba, Spain |
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| Abstract: | In this work we have assessed the use of sepiolites from Vallecas (Madrid, Spain) as supports of Pd catalysts applicable to the liquid-phase unblocking of amino acids and dipeptides protected by a benzyloxycarbonyl group (Z) with gaseous hydrogen. The sepiolites used have been compared with other supports employed by our team. We have also discussed the influence of the type of amino acid or dipeptide, the catalytic support and the precursor Pd salt on the unblocking rate.
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