One-pot reaction between 1,3,6,8-tetrabromo-2-hydroxypyrene and substituted alkynyl precursors
![Pyreno[2,1-b]furans Synthesized](https://www.chemistryviews.org/wp-content/uploads/2022/09/pyrenofurans-125x94.png)
Pyreno[2,1-b]furans Synthesized

Enantioselective Hydromethylation of Alkenes
Copper hydride-catalyzed enantioselective protocol with broad functional group tolerance

New Adjuvant for Protein-Based COVID-19 Vaccines
Analogues of α-galactosylceramide (αGC) significantly boost the immune response

Bench-Stable Manganese(III) Chloride Source
Easy-to-prepare complex is useful, e.g., in coordination chemistry and for alkene dichlorinations

N-Heterocyclic Carbenes Bind to a Copper Oxide Surface
First example of a covalent bond between NHCs and oxygen atoms in the oxide layer

Total Synthesis of Resiniferatoxin
Structurally complex highly potent capsaicin analogue prepared in 15 steps

Metal-Free Ammonia Activation
Carbene-stabilized dithiolene zwitterion activates NH3

Synthesis of 1,3-Azasilinones via a (4 + 2) Annulation
1,3-N,Si reagent and propynones used as precursors

Borenium Ion Used as a Catalyst for the Hydrogenation of N-Heterocycles
First benzimidazolylidene-stabilized borenium ion synthesized and used as metal-free catalyst

Lithium Metal Dendrites as a Highly Reactive Lithium Source
Dendrites with high surface areas for the synthesis of organolithium reagents