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Cover Picture: Oxaphospholes and Bisphospholes from Phosphinophosphonates and α,β‐Unsaturated Ketones (Chem. Eur. J. 41/2013)
Author(s) -
Arkhypchuk Anna I.,
Orthaber Andreas,
Mihali Viorica Alina,
Ehlers Andreas,
Lammertsma Koop,
Ott Sascha
Publication year - 2013
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.201390159
Subject(s) - silylation , acetylene , aryl , chemistry , cover (algebra) , medicinal chemistry , stereochemistry , organic chemistry , catalysis , alkyl , engineering , mechanical engineering
Phosphinophosphonates react with acetylenic ketones to afford three different classes of phosphorus‐containing heterocycles. Mechanistic studies, supported by DFT calculations, show that the reaction outcome is directed by the groups at the acetylene termini, with silyl groups leading preferentially to oxaphospholes, whereas aryl groups give rise to ethenyl‐bridged bisphospholes. This mechanistic puzzle was solved by S. Ott and co‐workers in their Full Paper on page 13692 ff.