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Diphenyl(trityl)phosphine, also known as tris(phenyl)phosphonium trityl, is a phosphorus-based organic compound with the chemical formula C35H27P. It is a colorless, crystalline solid that is soluble in organic solvents. diphenyl(trityl)phosphine is characterized by its trityl group (a trityl group is a trityl cation, which is a substituted triphenylmethyl cation) and two phenyl groups attached to a phosphorus atom. Diphenyl(trityl)phosphine is primarily used as a reagent in organic synthesis, particularly in the formation of phosphonium salts and as a ligand in transition metal-catalyzed reactions. It is also employed in the synthesis of various pharmaceuticals and agrochemicals due to its unique reactivity and stability.

750-57-2

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750-57-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 750-57-2 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 7,5 and 0 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 750-57:
(5*7)+(4*5)+(3*0)+(2*5)+(1*7)=72
72 % 10 = 2
So 750-57-2 is a valid CAS Registry Number.

750-57-2Relevant academic research and scientific papers

Triphenylmethyl fluoride as a fluorinating agent in phosphorus-halogen chemistry

Plack, Volker,Goerlich, Jens R.,Schmutzler, Reinhard

, p. 173 - 176 (1998)

Triphenylmethyl fluoride 1 will effect chlorine-fluorine exchange in certain phosphorus chlorides. Exchange of chlorine for fluorine was observed only in σ3λ3 (P)- and σ5λ5 (P)-compounds, while phosphorus oxychloride as an example of a σ4λ5 (P)-compound was unreactive towards 1.

A facile synthesis and crystallographic analysis of seven trityl phosphorus compounds and two nickel(II) phosphine side-products

Gushwa, Audra F.,Belabassi, Yamina,Montchamp, Jean-Luc,Richards, Anne F.

experimental part, p. 337 - 347 (2011/09/21)

The syntheses and X-ray analyses of triphenylmethyl (trityl-Tr) phosphorus compounds are reported and the structural similarities, differences and 31P chemical shifts compared. A series of seven trityl-substituted phosphorus-containing compound

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