The size of the bottle is important for the gradual release of CO2 in champagne as it ages

How Long Can Champagne Be Stored?

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

Angewandte Chemie 1/2024: Happy New Year
Overview of the latest issue of Angewandte Chemie

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