Supramolecular capsules that can be reversibly disassembled
![Calix[4]arene “Handshakes” via Urea–Carboxylate interactions](https://www.chemistryviews.org/wp-content/uploads/2024/04/calixarenehandshake_2024-125x94.png)
Calix[4]arene “Handshakes” via Urea–Carboxylate interactions

Bio-Sourced Hydroxyurethanes
Regioselective synthesis of carbamates from bioderived cyclic carbonates and amines

Angewandte Chemie 18/2024: Challenges
Overview of the latest issue of Angewandte Chemie

Charles Friedel and the Accidental Discovery of an Important Reaction
French chemist co-discovered the Friedel–Crafts reactions with James Mason Crafts

Angewandte Chemie 17/2024: Hybrids
Overview of the latest issue of Angewandte Chemie

Dual-Ligand Strategy for Acetylene Separation
New Zn-based metal–organic framework (MOF) functionalized with sulfonic acid and amino groups

Sonogashira Coupling in Water and Under Air
Efficient, environmentally friendly, copper-free approach uses an industrial surfactant

First Synthesis of Elusive Methanetriol
Molecule with three hydroxyl groups at the same carbon atom prepared at low temperatures

“Soft” Covalent Organic Framework Opens Its Pores
Material shows guest-triggered gate-opening behavior for various gases

Microwave-Assisted, Metal-Free Synthesis of Highly Substituted 1,2,4-Triazines
One-pot, three-step [4+2] annulation strategy for the preparation of highly substituted derivatives