470696-08-3Relevant academic research and scientific papers
Diels-Alder Cycloadditions of Electron-Rich, Electron-Deficient, and Push-Pull Dienes with Cyclic Dienophiles: High-Pressure-Induced Reactions and Theoretical Calculations
Branchadell, Vicenc,Sodupe, Mariona,Ortuno, Rosa M.,Oliva, Antonio,Gomez-Pardo, Domingo,et al.
, p. 4135 - 4141 (1991)
High-pressure-promoted (4 + 2) cycloadditions of cyclic dienophiles (mainly β-angelica lactone and cyclopentenone) with electron-rich and push-pull hetero-substituted dienes have been investigated.Only one regio- and stereoisomer was obtained in all cases
Nickel zero catalysed Cyclodimerization of 2,4-pentadienoic acid methyl ester. A remarkable directing effect of Et2AlOEt.
Brun, P.,Tenaglia, A.,Waegell, B.
, p. 5685 - 5688 (2007/10/02)
The presence of organoaluminic compounds has a decisive influence on the selectivity of Ni(O) catalysed cyclodimerization of functionalized dienes.
