306283-67-0

Upstream product

• 793695-34-8 C₂H₂N₂(2,4,6-trimethylbenzene)PPPh₂ 
• 75-09-2 dichloromethane 
• 56222-36-7 (E,E)-N¹,N²-bis(2,4,6-trimethylphenyl)ethane-1,2-diimine 
• 943233-68-9 ((CH₃)3C₆H₂)2C₂N₂H₂PC₅H₅ 
• 56222-36-7 N,N'-bis(2,4,6-trimethylphenyl)ethanediimine 
• 12080-32-9 dichloro( 1,5-cyclooctadiene)platinum(ll) 

Downstream Products

• 1174587-28-0 1,3-dimesityl-2-(3',4'-dimethyl-phospholyl)-dihydro-1,3,2-diazaphosphole 
• 1245505-09-2 1,3-di-mesityl-2-(2',3',4',5'-tetraethylarsolyl)-1,3,2-diazaphospholene 
• 869217-56-1 1,3-di-mesityl-1,3,2-diazaphospholenium tricarbonyl cobaltate 
• 793695-34-8 C₂H₂N₂(2,4,6-trimethylbenzene)PPPh₂ 

Relevant academic research and scientific papers

P-hydrogen-substituted 1,3,2-diazaphospholenes: Molecular hydrides

P-Hydrogen-substituted 1,3,2-diazaphospholenes 1 were prepared by an improved procedure from diazadienes and were characterized by spectroscopy and in one case by X-ray diffraction. A unique hydride-type reactivity of the P-H bonds was documented by exten

Phosphenium Hydride Reduction of [(cod)MX2] (M = Pd, Pt; X = Cl, Br): Snapshots on the Way to Phosphenium Metal(0) Halides and Synthesis of Metal Nanoparticles

The outcome of the reduction of [(cod)PtX2] (X = Cl, Br; cod = 1,5-cyclooctadiene) with N-heterocyclic phosphenium hydrides RNHP-H depends strongly on the steric demand of the N-aryl group R and the nature of X. Reaction of [(cod)PtCl2] with DippNHP-H featuring bulky N-Dipp groups produced an unprecedented monomeric phosphenium metal(0) halide [(DippNHP)(DippNHP-H)PtCl] stabilized by a single phosphine ligand. The phosphenium unit exhibits a pyramidal coordination geometry at the phosphorus atom and may according to DFT calculations be classified as a Z-type ligand. In contrast, reaction of [(cod)PtBr2] with the sterically less protected MesNHP-H afforded a mixture of donor-ligand free oligonuclear complexes [{(MesNHP)PtBr}n] (n = 2, 3), which are structural analogues of known palladium complexes with μ2-bridging phosphenium units. All reductions studied proceed via spectroscopically detectable intermediates, several of which could be unambiguously identified by means of multinuclear (1H, 31P, 195Pt) NMR spectroscopy and computational studies. The experimental findings reveal that the phosphenium hydrides in these multistep processes adopt a dual function as ligands and hydride transfer reagents. The preference for the observed intricate pathways over seemingly simpler ligand exchange processes is presumably due to kinetic reasons. The attempt to exchange the bulky phosphine ligand in [(DippNHP)(DippNHP-H)PtCl] by Me3P resulted in an unexpected isomerization to a platinum(0) chlorophosphine complex via a formal chloride migration from platinum to phosphorus, which accentuates the electrophilic nature of the phosphenium ligand. Phosphenium metal(0) halides of platinum further show a surprising thermal stability, whereas the palladium complexes easily disintegrate upon gentle heating in dimethyl sulfoxide to yield metal nanoparticles, which were characterized by TEM and XRD studies.

Rational synthesis and mutual conversion of Bis-N-heterocyclic diphosphanes and secondary N-heterocyclic phosphanes

Symmetrical N-heterocyclic 1,1′,3,3′-tetrahydro-2,2′-bi- 1,3,2-diazaphospholes and 2,2′-bi-1,3,2-diazaphospholidines are prepared by time-saving, sequential "one-pot" syntheses starting from 1,4-diazabutadienes or N-alkyl or N-aryl-substituted ethane-1,2-

Structures, dynamic behaviour, and reactivity of P-cyclopentadienyl- substituted 1,3,2-diazaphospholenes

P-Cyclopentadienyl-substituted 1,3,2-diazaphospholenes were prepared by salt metathesis from NaCp or LiCp* and 2-chloro-1,3,2-diazaphospholenes. Comprehensive spectroscopic and X-ray diffraction studies revealed a significant lengthening of the phosphorus-carbon bonds as compared with typical P-C bond distances, and the presence of fluxional molecular structures in solution and solid state as a consequence of circumambulatory migration of the diazaphospholene moiety around the Cp-ring. The P-C bond lengthening is accompanied by the capability to react with transition metal complexes under P-C bond activation and cyclopentadienyl transfer. At the same time, 2-Cp-diazaphospholenes react with strong bases under deprotonation to afford a phosphinyl-cyclopentadienide anion that reacts further with FeCl2 to a 1,1′-bisphosphinyl-ferrocene. The ambivalent behaviour of the diazaphospholenes offers interesting prospects to develop new synthetic methods for functional cyclopentadienyl complexes. The Royal Society of Chemistry 2007.

Diphosphanes with polarized and highly reactive P-P bonds

Uneven split: The combination of a stable cationic diazaphospholenium with stable anionic diphenylphosphanyl or phospholyl fragments affords diphosphanes with a polarized P-P bond (see scheme). This results not only in interesting molecular structures, but also in the chemical activation of the P-P bond in addition reactions.

Stability and electrophilicity of phosphorus analogues of Arduengo carbenes - An experimental and computational study

A variety of differently substituted 1,3,2-diazaphospholenium salts and P-halogeno-1,3,2-diazaphospholenes (X = F, Cl, Br) were synthesized, and their molecular structures, bonding situation; and Lewis acid properties were characterized by experimental (s