75385-94-3Relevant articles and documents
Structure and Colour of P,P'-Tetra-t-butyl- and P,P'-Tetraphenyl Oxalic Acid Diphosphide and Derivatives
Becher, Hermann-J.,Fenske, Dieter,Langer, Ernst,Prokscha, Heinz
, p. 749 - 760 (2007/10/02)
The unexpected violet colour of P,P'-Tetraphenyl-oxalic acid diphosphide (3) stimulated the synthesis of the following derivatives: P,P'-tetra-t-butyl-oxalic acid diphosphide (2).N,P-tetraphenyl-oxalic acid amide phosphide (4) and P,α-triphenyl-glyoxylic