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Selective 1:2 Coupling of Aldehydes and Allenes with Control of Regiochemistry
Author(s) -
Toyoshima Takeharu,
Miura Tomoya,
Murakami Masahiro
Publication year - 2011
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201105077
Subject(s) - allene , regioselectivity , rhodium , counterion , aldehyde , coupling (piping) , chemistry , control (management) , combinatorial chemistry , computer science , organic chemistry , catalysis , artificial intelligence , materials science , ion , metallurgy
Counterions in control : The rhodium(I)‐catalyzed coupling of one molecule of aldehyde and two molecules of allene gave β,γ‐dialkylidene ketones (see scheme). Either of two constitutional isomers was selectively obtained depending on the counterion of the rhodium(I) complex.