Overview of the latest issue of Angewandte Chemie

Angewandte Chemie 51/2022: Information Standards

Long-Lasting, Intense Afterglow
Organic dyes with persistent delayed fluorescence and ultralong phosphorescence

Making Small Rings Even Smaller
Ring contraction of metallacyclobutadiene to metallacyclopropene driven by aromaticity

First Total Synthesis of Ansellone G
Synthesis of marine sesterterpenoid also leads to phorbadione via a dehydrative transformation

Stable Radicals and Anions Based on Carbenes
Biphenylated N-heterocyclic carbenes (NHCs) undergo one-electron reductions into isolable species

Prism-Shaped Organic Cage
Friedel–Crafts reaction of trisfuryl and bis-isopropenyl precursors gives π-electron-rich cage

Angewandte Chemie 50/2022: Sustainable Reactions
Overview of the latest issue of Angewandte Chemie

Stereoselective Synthesis of δ-Phosphinolactones
Direct [2 + 4] annulation of alkyl(phenyl)phosphinic chlorides and α,β-enones

Cost-Efficient Upcycling of Polyurea Waste
Preparation of dynamic covalent poly(aminoketoenamide) networks from polyureas via vinylogous amides

Alkene Hydroacylation with Triple Catalysis
Branched-selective hydroacylation uses cooperative photoredox, cobalt, and N-heterocyclic carbene catalysis