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- Publisher Website: 10.1016/j.molcata.2005.08.055
- Scopus: eid_2-s2.0-31044456946
- WOS: WOS:000235263100011
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Article: (S)-2-Aryl-4,4-diphenyl-3,1,2-oxazaboro[3.3.0]octanes: Efficient catalysts for the asymmetric borane reduction of electron-deficient ketones
Title | (S)-2-Aryl-4,4-diphenyl-3,1,2-oxazaboro[3.3.0]octanes: Efficient catalysts for the asymmetric borane reduction of electron-deficient ketones |
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Authors | |
Keywords | Ketone Borane Enantioselectivity Asymmetric reduction Electronic effect |
Issue Date | 2006 |
Citation | Journal of Molecular Catalysis A: Chemical, 2006, v. 244, n. 1-2, p. 68-72 How to Cite? |
Abstract | The obvious influence of electronic effects of ketones on the enantioselectivities was observed previously in the oxazaborolidine-catalyzed asymmetric borane reduction of ketones. On the basis of the catalytic reduction mechanism, the electronic effect of organocatalysts, B-aryl-substituted oxazaborolidines, was tuned rationally to improve the enantioselectivities of the electron-deficient ketones in the reduction. The results indicate that all B-aryloxazaborolidines show excellent enantioselectivities for the electron-deficient ketones. This indicates that B-aryloxazaborolidines show better enantioselectivities than B-unsubstituted and B-methoxy-substituted oxazaborolidines for the electron-deficient ketones. © 2005 Elsevier B.V. All rights reserved. |
Persistent Identifier | http://hdl.handle.net/10722/292558 |
ISSN | 2018 Impact Factor: 5.008 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Liu, Han | - |
dc.contributor.author | Xu, J. X. | - |
dc.date.accessioned | 2020-11-17T14:56:44Z | - |
dc.date.available | 2020-11-17T14:56:44Z | - |
dc.date.issued | 2006 | - |
dc.identifier.citation | Journal of Molecular Catalysis A: Chemical, 2006, v. 244, n. 1-2, p. 68-72 | - |
dc.identifier.issn | 1381-1169 | - |
dc.identifier.uri | http://hdl.handle.net/10722/292558 | - |
dc.description.abstract | The obvious influence of electronic effects of ketones on the enantioselectivities was observed previously in the oxazaborolidine-catalyzed asymmetric borane reduction of ketones. On the basis of the catalytic reduction mechanism, the electronic effect of organocatalysts, B-aryl-substituted oxazaborolidines, was tuned rationally to improve the enantioselectivities of the electron-deficient ketones in the reduction. The results indicate that all B-aryloxazaborolidines show excellent enantioselectivities for the electron-deficient ketones. This indicates that B-aryloxazaborolidines show better enantioselectivities than B-unsubstituted and B-methoxy-substituted oxazaborolidines for the electron-deficient ketones. © 2005 Elsevier B.V. All rights reserved. | - |
dc.language | eng | - |
dc.relation.ispartof | Journal of Molecular Catalysis A: Chemical | - |
dc.subject | Ketone | - |
dc.subject | Borane | - |
dc.subject | Enantioselectivity | - |
dc.subject | Asymmetric reduction | - |
dc.subject | Electronic effect | - |
dc.title | (S)-2-Aryl-4,4-diphenyl-3,1,2-oxazaboro[3.3.0]octanes: Efficient catalysts for the asymmetric borane reduction of electron-deficient ketones | - |
dc.type | Article | - |
dc.description.nature | link_to_subscribed_fulltext | - |
dc.identifier.doi | 10.1016/j.molcata.2005.08.055 | - |
dc.identifier.scopus | eid_2-s2.0-31044456946 | - |
dc.identifier.volume | 244 | - |
dc.identifier.issue | 1-2 | - |
dc.identifier.spage | 68 | - |
dc.identifier.epage | 72 | - |
dc.identifier.isi | WOS:000235263100011 | - |
dc.identifier.issnl | 1381-1169 | - |