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Ruthenium‐Catalysed Selective Transetherification of Substituted Vinyl Ethers To Form Acetals and Aldehydes
Author(s) -
Saoud Mustapha,
Romerosa Antonio,
Mañas Carpio Sonia,
Gonsalvi Luca,
Peruzzini Maurizio
Publication year - 2003
Publication title -
european journal of inorganic chemistry
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.667
H-Index - 136
eISSN - 1099-0682
pISSN - 1434-1948
DOI - 10.1002/ejic.200390212
Subject(s) - chemistry , ruthenium , hydrolysis , catalysis , organic chemistry , medicinal chemistry
The water‐soluble ruthenium allenylidene complex [{RuCl(μ‐Cl)(C=C=CPh 2 )(TPPMS) 2 } 2 ]Na 4 catalyses the selective transformation of substituted linear and cyclic vinyl ethers with MeOH, under mild non acidic conditions, to give acetals, while aldehydes and ketones are obtained in a CHCl 3 /H 2 O mixture, which allows for easy recycling of the catalyst. NMR studies showed that the reaction follows a transetherification mechanism rather than simple acid‐catalysed hydrolysis. (© Wiley‐VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003)