Related Experiment Video
Updated: Jul 11, 2025

Preparation and Reactivity of a Triphosphenium Bromide Salt: A Convenient and Stable Source of PhosphorusI
Published on: November 22, 2016
Symmetrical and Mixed Tris(acyl)phosphines: Synthesis, Oxidation and Photochemistry
Tanja Wiesner1, Dmytro Neshchadin2, Gabriel Glotz2
1Institute of Inorganic Chemistry, Graz University of Technology, Stremayrgasse 9/V, 8010, Graz, Austria.
Abstract:
Invited for the cover of this issue are the groups of M. Haas, G. Gescheidt and H. Grützmacher from the Graz University of Technology and the ETH Zürich. The image depicts a phosphorus mine, where the workers are acid chlorides using their shovels and red phosphorus to provide the chemicals necessary to produce novel reagents. Read the full text of the article at 10.1002/chem.202302535.
Related Concept Videos
Preparation and Reactions of Sulfides
Aldehydes and Ketones to Alkenes: Wittig Reaction Mechanism
The reaction begins with the nucleophilic addition between a phosphorus ylide and the carbonyl compound. Due to its carbanionic character, phosphorus ylide acts as a strong nucleophile and attacks the electrophilic carbonyl group. This generates a charge-separated dipolar intermediate called betaine. The negatively charged oxygen atom and...
Photochemical Electrocyclic Reactions: Stereochemistry
Selection Rules: Photochemical Activation
Thermal and Photochemical Electrocyclic Reactions: Overview
Oxidation of Alkenes: Syn Dihydroxylation with Osmium Tetraoxide
Cycloaddition Reactions: MO Requirements for Photochemical Activation

