http://www.cnr.it/ontology/cnr/individuo/prodotto/ID17468
Synthesis of the enantiomeric forms of alpha- and gamma-damascone starting from commercial racemic alpha-ionone (Articolo in rivista)
- Type
- Label
- Synthesis of the enantiomeric forms of alpha- and gamma-damascone starting from commercial racemic alpha-ionone (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.2006.05.024 (literal)
- Alternative label
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
- Serra S., Fuganti C. (literal)
- Pagina inizio
- Pagina fine
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
- Rivista
- Note
- ISI Web of Science (WOS) (literal)
- Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
- CNR-ICRM
Politecnico di Milano (literal)
- Titolo
- Synthesis of the enantiomeric forms of alpha- and gamma-damascone starting from commercial racemic alpha-ionone (literal)
- Abstract
- A straightforward synthesis of both enantiomers of alpha- and gamma-damascone is described. The title compounds were prepared by a divergent pathway starting from the enantiomeric forms of (6RS,7SR,9RS)-7-hydroxy-7,8-dihydro-alpha-ionol and of (6RS,7SR,9RS)-7hydroxy-7.8-dihydro-gamma-ionol. These building blocks were obtained from racemic alpha-ionone in four and five steps, respectively. The 7-hydroxy group was introduced by regio- and diastereoselective epoxidation of the conjugated double bond followed by reductive opening of the oxirane ring. The hydroxy-ketone obtained was reduced diastereo selectively to trans-alpha-diol that could be converted to the trans-gamma-diol by photochemical isomerization. Both diols were then resolved by lipase-mediated acetylation. (literal)
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- Autore CNR
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