773859-12-4

Basic information

• Product Name: Silanamine, N-[diphenyl(2-pyridinylmethyl)phosphoranylidene]-1,1,1-trimethyl-
• CAS NO: 773859-12-4
• Molecular Formula: C21H25N2PSi
• Molecular Weight: 364.502
• Mol File: 773859-12-4.mol
• Article Data: 1

Chemical Properties

• CAS DataBase Reference: Silanamine, N-[diphenyl(2-pyridinylmethyl)phosphoranylidene]-1,1,1-trimethyl-(CAS DataBase Reference)
• NIST Chemistry Reference: Silanamine, N-[diphenyl(2-pyridinylmethyl)phosphoranylidene]-1,1,1-trimethyl-(773859-12-4)
• EPA Substance Registry System: Silanamine, N-[diphenyl(2-pyridinylmethyl)phosphoranylidene]-1,1,1-trimethyl-(773859-12-4)

Safety Data

• Hazardous Substances Data: 773859-12-4(Hazardous Substances Data)

Upstream product

• 4648-54-8 trimethylsilylazide 
• 20174-01-0 2-diphenylphosphinomethylpyridine 

Downstream Products

• 850380-19-7 [Fe(NC₅H₄CHP(C₆H₅)2NSi(CH₃)3)2] 
• 850380-20-0 [Zn(NC₅H₄CHP(C₆H₅)2NSi(CH₃)3)2] 

Relevant articles and documents

Metal coordination to the formal P=N bond of an iminophosphorane and charge-density evidence against hypervalent phosphorus(V)

The iminophosphorane Ph2P(CH2Py)(NSiMe3) (1) was treated with deprotonating alkali metal reagents to give [(Et 2O)Li{Ph2P(CHPy)(NSiMe3)}] (2), [{Ph 2P(CH2Py)(NSi-Me3)}Li{Ph2P(CHPy) (NSiMe3)}] (3) and [{Ph2P(CH2Py)(NSiMe 3)}Na(Ph2P(CHPy)(NSiMe3)}] (4). We report their coordination behaviour in solid-state structures and NMR spectroscopic features in solution. Furthermore, we furnish experimental evidence against hypervalency of the phosphorus atom in iminophosphoranes from experimental charge-density studies and subsequent topological analysis. The topological properties, correlated to the results from NMR spectroscopic investigations, illustrate that the formal P=N double bond is better written as a polar P+-N - single bond. Additionally, the effects of metal coordination on the bonding parameters of the iminophosphorane and the related anion are discussed.