ChemInform Abstract: Bis‐ and Tris‐N‐Cyano‐ and N‐Sulfamidophospha‐λ5‐azenes from a Redox Condensation Reaction and the Novel Reaction of Sulfamide with Bis(diphenylphosphino)methane.

Abstract

AbstractThe bisphosphines (I) and the trisphosphine (VII) are coupled with the cyanamide (II) or sulfamide (IV) in the presence of diethyl azodicarboxylate, producing various phosphazene derivatives as shown in the reaction scheme.