Professor Stefanie Dehnen, KIT, has been elected President of the German Chemical Society (GDCh)

Stefanie Dehnen Elected New GDCh President

How Long Can Champagne Be Stored?
The size of the bottle is important for the gradual release of CO2 in champagne as it ages

General Path to N-Arylpiperidines
Ring-opening and ring-closing approach gives pyridinium salts that can be converted to N-(hetero)arylpiperidine derivatives

Antimony Can Form a Crystalline Nitride
High-pressure and high-temperature synthesis of Sb3N5

Cyclization of 5-Iodo-4-Pentenenitriles Gives Cyclopentenones
Ligand-free Pd(0)-catalyzed cyclization followed by imine hydrolysis

Reversible Postsynthetic Modification of a MOF
Metal–organic framework (MOF) functionalized using a thermoreversible Diels–Alder reaction

4-Iodine N-Methylpyridinium for Solid-Phase Peptide Synthesis
Bench-stable and cost-effective coupling reagent
![Aromatic Metalla-Dehydro[11]annulenes](https://www.chemistryviews.org/wp-content/uploads/2023/12/aromaticmetalladehydro11annulenes_2023-125x94.png)
Aromatic Metalla-Dehydro[11]annulenes
Simple one-pot [10+1] strategy incorporating a metal fragment into conjugated ten-carbon chains

Molecular Tweezers Made from Carbaporphyrin Linked to Nanographenes
Hybrid systems act as receptors for relatively large substrates

Triplet Vinylarsinidene Synthesized
Higher congener of vinylnitrene prepared by low-temperature photolysis or high-vacuum flash pyrolysis