http://www.cnr.it/ontology/cnr/individuo/prodotto/ID167949
Lipase-catalysed resolution by an esterification reaction in organic solvent of axially chiral (+/-)-3,3 '-bis(hydroxymethyl)-2,2 '-bipyridine N,N-dioxide (Articolo in rivista)
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- Label
- Lipase-catalysed resolution by an esterification reaction in organic solvent of axially chiral (+/-)-3,3 '-bis(hydroxymethyl)-2,2 '-bipyridine N,N-dioxide (Articolo in rivista) (literal)
- Anno
- 2006-01-01T00:00:00+01:00 (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
- 10.1016/j.tetasy.2005.11.028 (literal)
- Alternative label
Sanfilippo C.; D' Antona N.; Nicolosi G . (2006)
Lipase-catalysed resolution by an esterification reaction in organic solvent of axially chiral (+/-)-3,3 '-bis(hydroxymethyl)-2,2 '-bipyridine N,N-dioxide
in Tetrahedron: asymmetry (Print)
(literal)
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- Sanfilippo C.; D' Antona N.; Nicolosi G . (literal)
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- ISI Web of Science (WOS) (literal)
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- Istituto di Chimica Biomolecolare del CNR, Via del Santuario 110, I-95028 Valverde CT, Italy (literal)
- Titolo
- Lipase-catalysed resolution by an esterification reaction in organic solvent of axially chiral (+/-)-3,3 '-bis(hydroxymethyl)-2,2 '-bipyridine N,N-dioxide (literal)
- Abstract
- The enzymatic kinetic resolution of atropisomeric (±)-3,3?-bis(hydroxymethyl)-2,2?-bipyridine N,N-dioxide (±)-3 was investigated via enantioselective esterification in the unusual medium of alcohol/vinyl acetate (20:80). Lipase from Mucor miehei (immobilised lipase preparation, Lipozyme®) was found to give good enantioselectivity with an (aS)-enantiopreference in the axial recognition, and allowed to efficiently perform the preparation of both enantioforms with ee >98%. Lipase from Pseudomonas cepacia (immobilised lipase preparation, PS-D) also catalysed the reaction although with low enantioselectivity and showing opposite stereopreference. (literal)
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