Ruthenium-Catalyzed One-Step Transformation of Propargylic Alcohols into Alkylidene Cyclobutenes: X-ray Characterization of an Ru(eta(3)-cyclobutenyl) Intermediate This work was supported by the CNRS and the Ministère de la Recherche. The authors are grateful to the latter for a PhD grant to J. LP. The authors wish to thank the European Cost Program D17/003/00 and the Région Bretagne for financial support. They are also grateful to A. Bondon for helpful assistance in NMR analysis.
Le Paih
Jacques
J
Institut de Chimie de Rennes UMR 6509 CNRS-Université de Rennes Organométalliques et Catalyse Campus de Beaulieu, 35042 Rennes (France).
Dérien
Sylvie
S
Bruneau
Christian
C
Demerseman
Bernard
B
Toupet
Loïc
L
Dixneuf
Pierre H.
PH