The 4,5,6-triphospha[3]radialene dianion: a phosphorus analogue of the deltate dianion. A NICS(0)πzz examination of their aromaticity

2012/01/01 by H. Miyake, Takahiro Sasamori, Judy I. Wu +2 · 2 citations
Chemistry · Materials Science · #Synthesis and Properties of Aromatic Compounds #Synthesis and characterization of novel inorganic/organometallic compounds #Porphyrin and Phthalocyanine Chemistry

paper · doi:10.1039/c2cc35978b

openalex publication_date 2012/01/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/30

Abstract

Reduction of a 4,5,6-triphospha[3]radialene gave the corresponding isolable dianionic species. Despite having two deltate dianion-like π-electrons delocalized over the central framework, its small NICS(0)(πzz) value (only -2.2 ppm) indicates only limited aromaticity.

Citations

• Synthesis and Properties of 4,5,6‐Triphospha[3]radialene
• A theoretical study of aromaticity in squaramide and oxocarbons
• Preparation and Properties, Reactions, and Applications of Radialenes
• The Preparation and Properties of Trimethylenecyclopropane
• Negatively substituted trimethylenecyclopropane dianions

Cited by

• Photochemical (E)–(Z) Isomerization of the P=C Double Bond in Triphospha[3]radialene–[M(CO)5] (M = W, Cr) Complexes
• Radialene [wikipedia]