Access to Cyclobutadienes via an Organocatalytic Dienamine–Iminium–Allenamine Cascade Approach
journal contributionposted on 01.09.2017 by Wenjun Li, Ming Lang, Jian Wang
Any type of content formally published in an academic journal, usually following a peer-review process.
A new organocatalytic route to cyclobutadienes from α,β-unsaturated aldehydes and ynals is described. This protocol allows a broad substrate scope and mild conditions. Furthermore, a proposed mechanism of a dienamine–iminium–allenamine cascade process is discussed.