In the quiz, we take a closer look at the chemistry of the sugary world

Sugar, Sweeteners, and Their Chemistry

Constrained Phosphenium Ions Activate C–H Bonds
Reaction with nonactivated substrates under transition-metal-free conditions

Total Synthesis of Artatrovirenol A
Natural product from Artemisia plants with anticancer activity

9-Bisma-10-Pnictatriptycenes Synthesized
Series of cage-like bismuth compounds prepared, isolated, and fully characterized

Intramolecular Radical Cyclization Catalyzed by a B12-Dependent Enzyme
Engineered variant of the transcription factor CarH used for non-native radical cyclization reactions

Decarboxylative Elimination of Carboxylic Acids to Give Alkenes
Efficient, scalable electrochemical approach under mild conditions

Radical Nitration of Alkenes with NaNO2
I2O5-mediated radical nitration gives a variety of nitroolefins

Photochemical System for the Coupling of Arenes with Aliphatic Hydrocarbons
Catalytic amounts of iron(III) halides act as multifunctional reagents and air serves as a green oxidant

Green Synthesis of 3,4-Unsubstituted Isoquinolones
Rhodium(III)-catalyzed C–H activation and annulation in ethanol

Combining Biocatalysis with a Biocompatible Reaction for One-Pot Syntheses
Biocatalyzed alcohol oxidation and chemocatalyzed Pictet-Spengler annulation give tetrahydroisoquinolines and tryptolines