Allenes are a class of unique compounds with two π-orbitals perpendicular to each other.
The first synthesis can be traced back to 1887. 1 They also exist in many natural products …

Allenes have always fascinated chemists because of the intriguing features of the cumulated
diene function such as the higher reactivity compared to simple alkenes and the peculiar …

The demand for new chemicals spanning the fields of health care to materials science
combined with the pressure to produce these substances in an environmentally benign …

1.1. Background Conjugated organic compounds play a primary role in the development of
a new generation of optical and electronic materials. Molecules, oligomers, and polymers …

Tris (triphenylphosphinegold) oxonium tetrafluoroborate,[(Ph3PAu) 3O] BF4, catalyzes the
rearrangement of 1, 5-allenynes to produce cross-conjugated trienes. Experimental and …

Dendralenes, also known as acyclic cross-conjugated polyenes, have long been neglected
as an important class of highly unsaturated hydrocarbons.[1] However, recent years have …

Twenty‐seven years ago, H. Hopf published the only previous comprehensive review on
branched oligoenes that had the title “Dendralenes: A Neglected Family of Hydrocarbons” …

Through the combined use of computational (density functional theory) and experimental
studies, a new [Rh (CO) 2Cl] 2 catalyzed two-component [5+ 2+ 1] cycloaddition of ene …

The [2+ 2+ 1] cyclization of an alkyne, an alkene and carbon monoxide, ie, the Pauson–
Khand reaction, is one of the most powerful tools for constructing a five-membered ring. In …

Rhodium dimer [Rh (CO) 2Cl] 2 efficiently catalyzes the intra-and intermolecular (5+ 2)
reactions of vinylcyclopropanes with alkynes and allenes, but not alkenes. This difference in …