Molecular Structure of Diphenyl(trimethylsilyl)phosphine (CAS NO.17154-34-6):

IUPAC Name: Diphenyl(trimethylsilyl)phosphane 
Molecular Formula: C₁₅H₁₉PSi
Molecular Weight: 258.37 
Refractive index: 1.603
Density: 1.009
Flash Point: 150.2 °C
Enthalpy of Vaporization: 54.42 kJ/mol
Boiling Point: 324.7 °C at 760 mmHg
Vapour Pressure: 0.000457 mmHg at 25 °C
Canonical SMILES: C[Si](C)(C)P(C1=CC=CC=C1)C2=CC=CC=C2
InChI: InChI=1S/C15H19PSi/c1-17(2,3)16(14-10-6-4-7-11-14)15-12-8-5-9-13-15/h4-13H,1-3H3
InChIKey: WTWVGNUJAAOVSC-UHFFFAOYSA-N
Product Categories: Catalysis and Inorganic Chemistry; Phosphorus Compounds; Phosphorus Precursors

 Diphenyl(trimethylsilyl)phosphine (CAS NO.17154-34-6) is used as a nucleophile makes the reaction catalytic in boron trifluoride.

Safety Information of Diphenyl(trimethylsilyl)phosphine (CAS NO.17154-34-6):
Hazard Codes: F
Risk Statements: 11 
R11:Highly flammable.
Safety Statements: 16 
S16:Keep away from sources of ignition.
RIDADR: UN 1993 3/PG 2
WGK Germany: 3
TSCA: No
HazardClass: 3.1
PackingGroup: II

 Diphenyl(trimethylsilyl)phosphine (CAS NO.17154-34-6), its Synonyms are Phosphine,diphenyl(trimethylsilyl)- ; (Diphenylphosphino)trimethylsilane ; (Trimethylsilyl)diphenylphosphine . The reaction between Diphenyl(trimethylsilyl)phosphine and Chiral aldehydes proceeds with high stereoselectivity to give diastereomerically pure tertiary α-trimethylsiloxyalkylphosphines.