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Diphenylphosphine acts as an intermediate in the preparation of diphenylphosphide derivatives, phosphonium salts, phosphine ligands and Wittig-Horner reagents. The presence of hydrogen atom bonded to phosphorus undergoes Michael-like addition to activated alkenes. It is involved in the preparation of 1,2-bis(diphenylphosphino)ethane and (phenyl-(phenylmethyl)phosphoryl)benzene. Further, it is used in the synthesis of aminophosphines and chiral palladacycles with N-heterocyclic carbene ligands as catalysts.
Maser, L.; Flosdorf, K.; Langer, R. Synthesis and Reactivity of Iron(II) Hydride Complexes Containing Diphenylphosphine Ligands. J. Organomet. Chem. 2015, 791, 6-12.
Chew, R. J.; Li, X. R.; Li, Y.; Pullarkat, S. A.; Leung, P. H. Pd-Catalyzed Enantiodivergent and Regiospecific phospha-Michael Addition of Diphenylphosphine to 4-oxo-Enamides: Efficient Access to Chiral Phosphinocarboxamides and Their Analogues. Chem. Eur. J. 2015, 21 (12), 4800-4804.
Hazard Statements: H250-H302-H315-H319-H335
Catches fire spontaneously if exposed to air. Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.
Precautionary Statements: P210-P222-P261-P264b-P270-P271-P280-P301+P312-P302+P334-P304+P340-P305+P351+P338-P312-P330-P332+P313-P337+P313-P362-P370+P378q-P501c
Keep away from heat/sparks/open flames/hot surfaces. - No smoking. Do not allow contact with air. Avoid breathing dust/fume/gas/mist/vapours/spray. Wash face, hands and any exposed skin thoroughly after handling Do not eat, drink or smoke when using this product. Use only outdoors or in a well-ventilated area. Wear protective gloves/protective clothing/eye protection/face protection. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. IF ON SKIN: Immerse in cool water/wrap in wet bandages. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Rinse mouth. If skin irritation occurs: Get medical advice/attention. If eye irritation persists: Take off contaminated clothing and wash before reuse. In case of fire: Use CO2, dry chemical, or foam Dispose of contents/ container to an approved waste disposal plant