Unprecedented Reactivity of 1-Alkynes with 2-Chloroethanol Promoted by Cationic Solvento(trifluoromethyl)platinum(II) Complexes. Synthesis of β-Alkoxyalkenyl Derivatives and X-ray Structure of<i> trans</i>-[Pt{C(H)C(Ph)OCH<sub>2</sub>CH<sub>2</sub>Cl}(CO)(PPh<sub>3</sub>)<sub>2</sub>][BF<sub>4</sub>]·Et<sub>2</sub>O
作者:Rino A. Michelin、Mirto Mozzon、Barbara Vialetto、Roberta Bertani、Giuliano Bandoli、Robert J. Angelici
DOI:10.1021/om970467r
日期:1998.3.1
Reactions at ambient temperature of the solvento cationic trifluoromethyl complex trans-[Pt(CF3)(PPh3)2(solv)][BF4] with 1.5 equiv of 1-alkynes RC⋮CH (R = Ph, p-tolyl) and 2-chloroethanol afford in high yield the β-alkoxyalkenyl complexes trans-[PtC(H)C(R)OCH2CH2Cl}(CO)(PPh3)2][BF4] (R = Ph (1), p-tolyl (2)). In these reactions the CF3 group is also converted to a CO ligand. Complexes 1 and 2 were