18856-91-2

Upstream product

• 4559-70-0 Diphenylphosphine oxide 
• 5994-87-6 diphenylphosphinamide 

Downstream Products

• 338741-83-6 (E)-N-(furan-2-ylmethylene)-P,P-diphenylphosphinicamide 
• 98837-45-7 (E)-N-(4-(trifluoromethyl)benzylidene)-P,P-diphenylphosphinic amide 
• 121197-50-0 (E)-N-(4-chlorobenzylidene)-P,P-diphenylphosphinic amide 
• 121197-53-3 (C₆H₅)2PONCHC₁₀H₇ 
• 638132-74-8 (E)-N-(3-methoxybenzylidene)-P,P-diphenylphosphinic amide 
• 252377-09-6 (E)-N-(2-bromobenzylidene)-P,P-diphenylphosphinic amide 
• 98837-46-8 N-benzylidenediphenylphosphinamide 
• 145425-08-7 N-(4-methybenzylidene)-P,P-diphenylphosphinamide 

Relevant academic research and scientific papers

Synthesis of N-diphenylphosphinoylimines using the Kresze reaction

The synthesis of N-diphenylphosphinoylimines involving the treatment of aldehydes with P,P-diphenyl N-sulfmylphosphoramidate (Ph2P(O)NSO) is described. The reagent is prepared from P,P-diphenylphosphinic amide, thionyl chloride, and imidazole.

Reactivity and diastereoselectivity in the thermal and Lewis acid- catalyzed Diels-Alder reactions of N-sulfinylphosphoramidates

The [4 + 2] cycloaddition reactions of N-sulfinylphosphoromidates, prepared from the corresponding phosphoramidates by treatment with N- (chlorosulfinyl)imidazole, and 1,3-cyclohexadiene were found to be diastereoselective in the absence (>90:10) and presence (> 95:5) of Lewis acid. The sulfur configuration of the major adduct from the cycloaddition reaction has been established unambiguously by X-ray crystallography. The use of Lewis acids improved the diastereoselectivity and yield, as Well as shortened reaction times. Based on the intermediacy of a tin chelate, and the absence of phosphoryl secondary orbital interactions, a mechanism for the cycloaddition reactions is discussed.