Quest for efficient catalysts based on zinc tert-butylperoxides for asymmetric epoxidation of enones: C2– vs C1–Symmetric auxiliaries

Abdul Raheem Keeri , Iwona Justyniak , Janusz Jurczak , Janusz Lewiński

Abstract

Zinc tert-butyl peroxide-based catalysts for the asymmetric epoxidation of enones using tert-butyl hydroperoxide as an oxidant have been developed. A comparative study of chiral monoanioninc N,N′-bidentate ligands, C2-symmetric bisoxazolinates and C1-symmetric enaminooxazolinates, revealed excellent performance of C1-symmetric auxiliary ligands on catalytic asymmetric epoxidation of enones (up to 96% yield, 91% ee).
Author Abdul Raheem Keeri
Abdul Raheem Keeri,,
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, Iwona Justyniak
Iwona Justyniak,,
-
, Janusz Jurczak
Janusz Jurczak,,
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, Janusz Lewiński ZKChM
Janusz Lewiński,,
- Department Of Catalysis And Organometallic Chemistry
Journal seriesAdvanced Synthesis & Catalysis, ISSN 1615-4150
Issue year2016
Vol358
No6
Pages864-868
Publication size in sheets0.5
Keywords in Englishasymmetric catalysis;chiral auxiliaries;epoxidation of enones;ligand design;zinc
DOIDOI:10.1002/adsc.201500764
URL http://onlinelibrary.wiley.com/doi/10.1002/adsc.201500764/abstract
Languageen angielski
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Raheem-Keeri_et_al-2016-Advanced_Synthesis_&_Catalysis.pdf 636.43 KB
Score (nominal)45
ScoreMinisterial score = 45.0, 28-11-2017, ArticleFromJournal
Ministerial score (2013-2016) = 45.0, 28-11-2017, ArticleFromJournal
Publication indicators WoS Impact Factor: 2016 = 5.646 (2) - 2016=5.229 (5)
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