First example of transition metal center shared between four five-membered rings

Tetracyclic Aromatics Shaped Like a Four-Leaf Clover

Angewandte Chemie 4/2020: Unconventional Routes
Overview of the latest issue of Angewandte Chemie

How Large Can Aromatic Rings Get?
Evidence for aromaticity in nanorings with up to 162 π-electrons

Improved Catalysts for Sustainable Olefin Metathesis
Cationic cyclic alkyl amino carbene (CAAC) complexes for metathesis in protic media

Efficient Cobalt-Catalyzed Z-to-E Isomerization of Styrenes
Path to a variety of (E)-β-substituted styrenes

Most Accessed Articles: December 2019
Highlights from ChemPubSoc Europe, ACES, and GDCh journals

Different Chromophores in a Single Molecule Take Turns
Soft organic crystals with full‐color tunability

Sir Jack Edward Baldwin (1938 – 2020)
Organic chemist known for Baldwin's rules for ring closure reactions passed away

Stereoselective Synthesis of Quinolizidine (–)‐217A
Stereoselective Synthesis of Quinolizidine (–)‐217A

Guess the Chemist (97)
Can you guess the famous scientist from the description?