197774-01-9Relevant academic research and scientific papers
Lanthanide catalysts for the hetero Diels-Alder reaction: Effect of ligand structure and acidity
Spine,Clouston,Berg
, p. 1047 - 1054 (1997)
A series of yttrium, ytterbium, and lanthanum hexa- or heptacoordinate complexes were prepared and their catalytic activities tested in the hetero Diels-Alder reaction between crotonaldehyde and ethyl vinyl ether. It was found that a pKa below
