Nitrogen-containing heterocyclic compounds are some of the most significant compounds
that are produced artificially or naturally. These heterocyclic rings are virtually always …

Bifunctional squaramides as a branch of organo‐catalysts showed powerful strategies in the
art of asymmetric synthesis, and they have been proved to be highly efficient and versatile …

The present work develops a DMAP-catalyzed [3+ 2] cycloaddition of vinyl oxiranes with
activated ketone compounds, affording dioxolane derivatives with moderate to excellent …

A new approach for the synthesis of 9-membered N, N, O-heterocycles by Pd-catalyzed [6+
3] dipolar cycloaddition of N-iminoisoquinolinium ylides and 2-vinyl oxetanes has been …

The phosphine-catalyzed tandem annulation of allenylic alcohols with 1, 1-dicyanoalkenes
has been developed, giving various bicyclic tetrahydrocyclopentafuran derivatives in 40 …

Substrate-controlled diversity-oriented synthesis of polycyclic frameworks via [4+ 2] and [3+
2] annulations between ninhydrin-derived Morita–Baylis–Hillman (MBH) adducts and 3, 4 …

α-succinimide-substituted allenoates were employed as phosphine acceptors in phosphine-
catalyzed (4+ 2) annulation with 1, 1-dicyanoalkenes. They served as C4 synthons in the …

A palladium/XantPhos-catalyzed [5+ 2] annulation of VECs with electron-deficient alkenes
having an isolated carbon–carbon double bond has been developed to afford …

A phosphine-catalyzed cascade annulation of Morita–Baylis–Hillman (MBH) carbonates and
diazenes was achieved, giving tetrahydropyrazole-fused heterocycles bearing two five …

The δ-sulfonamido-substituted enones were employed as phosphine acceptor in phosphine-
catalyzed (4+ 2) annulation of 1, 1-dicyanoalkenes. They served as a four-membered …