)(OCH}_2}\hbox CMe}_2}\hbox CH}_2}\hbox O)]}\). In an analogous reaction, with DBU as the base at \(140\;^\circ }}\hbox C}\), isomeric vinylphosphine oxides (Z)-\(\hbox Ph}_2}\hbox P(O)C(Ph)=C(Me)CH}_2}\hbox [C(O)Me]}\) and (E)-\(\hbox Ph}_2}\hbox P(O)C(Ph)=C(Me)CH}_2}\hbox [C(O)Me]}\) were isolated. The E-isomer has been characterized by single crystal X-ray structure determination
Efficient Palladium-Catalyzed Double Arylation of Phosphonoalkynes and Diarylalkynes in Water: Use of a Dinuclear Palladium(I) Catalyst
作者:K. V. Sajna、Venu Srinivas、K. C. Kumara Swamy
DOI:10.1002/adsc.201000579
日期:2010.11.22
A novel use of the dinuclearpalladium(I) catalyst [(OCH2CMe2CH2O)P-S-Pd(PPh3)]2 in aqueous medium for the doublearylation of phosphonoalkynes as well as diarylalkynes is reported. This doublearylation requires both the iodoarene and arylboronic acid along with the catalyst. The structures of some key products have been proven by X-ray crystallography.