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Asymmetric syn-aldol reaction of α-hydroxy ketones with tertiary amine catalysts
The tertiary amine-catalyzed direct asymmetric aldol reac- tion of 2-hydroxyacetophenones (2-hydroxy-1-arylethan- ones) with a variety of aliphatic aldehydes has been demon- strated. By using 20 mol-% of unmodified cinchonine as cata- lyst, the direct aldol reaction products were isolated in good yields and with remarkably high syn diastereocontrol andgood asymmetric induction (40–78% ee ). This newly elabo- rated tertiary-amine-catalyzed direct asymmetric aldol reac- tion has extended the scope of organocatalytic processes to aromatic α -hydroxy ketones, which have hitherto been unre- active towards enamine catalysis.
cris.lastimport.wos | 2024-04-10T01:54:55Z | |
dc.abstract.en | The tertiary amine-catalyzed direct asymmetric aldol reac- tion of 2-hydroxyacetophenones (2-hydroxy-1-arylethan- ones) with a variety of aliphatic aldehydes has been demon- strated. By using 20 mol-% of unmodified cinchonine as cata- lyst, the direct aldol reaction products were isolated in good yields and with remarkably high syn diastereocontrol andgood asymmetric induction (40–78% ee ). This newly elabo- rated tertiary-amine-catalyzed direct asymmetric aldol reac- tion has extended the scope of organocatalytic processes to aromatic α -hydroxy ketones, which have hitherto been unre- active towards enamine catalysis. | pl |
dc.affiliation | Wydział Chemii : Zakład Chemii Organicznej | pl |
dc.contributor.author | Baś, Sebastian - 106197 | pl |
dc.contributor.author | Woźniak, Łukasz | pl |
dc.contributor.author | Cygan, Judyta | pl |
dc.contributor.author | Młynarski, Jacek - 173385 | pl |
dc.date.accessioned | 2015-06-08T12:01:50Z | |
dc.date.available | 2015-06-08T12:01:50Z | |
dc.date.issued | 2013 | pl |
dc.description.admin | [AB] Woźniak, Łukasz 50000141 | pl |
dc.description.admin | [AB] Cygan, Judyta 50000141 | pl |
dc.description.number | 30 | pl |
dc.description.physical | 6917-6923 | pl |
dc.description.volume | 2013 | pl |
dc.identifier.doi | 10.1002/ejoc.201300872 | pl |
dc.identifier.eissn | 1099-0690 | pl |
dc.identifier.issn | 1434-193X | pl |
dc.identifier.uri | http://ruj.uj.edu.pl/xmlui/handle/item/8985 | |
dc.language | eng | pl |
dc.language.container | eng | pl |
dc.rights.licence | bez licencji | |
dc.subtype | Article | pl |
dc.title | Asymmetric syn-aldol reaction of α-hydroxy ketones with tertiary amine catalysts | pl |
dc.title.journal | European Journal of Organic Chemistry | pl |
dc.type | JournalArticle | pl |
dspace.entity.type | Publication |