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Front Cover: Size‐Exclusion Borane‐Catalyzed Domino 1,3‐Allylic/Reductive Ireland–Claisen Rearrangements: Impact of the Electronic and Structural Parameters on the 1,3‐Allylic Shift Aptitude (Chem. Eur. J. 9/2019)
Author(s) -
Fegyverneki Dániel,
Kolozsvári Natália,
Molnár Dániel,
Egyed Orsolya,
Holczbauer Tamás,
Soós Tibor
Publication year - 2019
Publication title -
chemistry – a european journal
Language(s) - English
Resource type - Reports
SCImago Journal Rank - 1.687
H-Index - 242
eISSN - 1521-3765
pISSN - 0947-6539
DOI - 10.1002/chem.201900160
Subject(s) - allylic rearrangement , catalysis , domino , claisen rearrangement , higgs boson , lewis acids and bases , borane , materials science , chemistry , physics , medicinal chemistry , organic chemistry , particle physics
A reductive Ireland–Claisen reaction was developed utilizing a boron‐based Lewis acid catalyst with size‐exclusion design. In the graphical art, the juggler throws balls up into the air to create the pattern of a catalytic cycle. In addition, the juggler has to wear special gloves with small holes (size‐exclusion) to catch and carry the balls. Large‐hole gloves are inappropriate for this activity because balls would pass straight through and no catalytic reaction would occur. More information can be found in the Communication by T. Soós et al. on page 2179.