Journal of Organic Chemistry p. 5293 - 5296 (1987)
Update date:2022-07-30
Topics:
Honeychuck, Robert V.
Bonnesen, Peter V.
Farahi, Judah
Hersh, William H.
Cyclopentadiene and isoprene are polymerized by 0.1 mol percent (Me3P)(CO)3(NO)W-FSbF5 (1), and catalysis of the Diels-Alder reactions of cyclopentadiene or butadiene with α,β-unsaturated enones is also induced by as little as 0.1 mol percent 1; the X-ray structure of the adduct of 1 and acrolein, the presumed catalytic intermediate, reveals a simple Lewis acid interaction of the tungsten with the acrolein oxygen.
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