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Triphenylphosphine oxide hydrochloride, also known as TPPO·HCl, is a chemical compound with the formula (C6H5)3P(O)·HCl. It is a white crystalline solid that is soluble in organic solvents and water. TPPO·HCl is a derivative of triphenylphosphine oxide (TPPO), where one of the oxygen atoms is protonated to form a hydrochloride salt. triphenylphosphine oxide hydrochloride is widely used as a catalyst in various organic reactions, particularly in the formation of carbon-carbon bonds, and as a ligand in transition metal complexes. It is also employed in the synthesis of pharmaceuticals and agrochemicals due to its ability to stabilize reactive intermediates and improve reaction selectivity.

34166-85-3

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34166-85-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 34166-85-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,4,1,6 and 6 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 34166-85:
(7*3)+(6*4)+(5*1)+(4*6)+(3*6)+(2*8)+(1*5)=113
113 % 10 = 3
So 34166-85-3 is a valid CAS Registry Number.

34166-85-3Downstream Products

34166-85-3Relevant academic research and scientific papers

31P solid state NMR study of structure and chemical stability of dichlorotriphenylphosphorane

Gonnella, Nina C.,Busacca, Carl,Campbell, Scot,Eriksson, Magnus,Grinberg, Nelu,Bartholomeyzik, Teresa,Shengli, Ma.,Norwood, Daniel L.

body text, p. 461 - 464 (2010/04/30)

Solid state 31P NMR spectroscopy was used to examine, monitor and quantify the compound integrity of the chemical reagent dichlorotriphenylphosphorane. Comparison was also made with solution P NMR spectra which showed that this highly reactive

Towards asymmetric Au-catalyzed hydroxy- and alkoxycyclization of 1,6-enynes

Chao, Chung-Meng,Genin, Emilie,Toullec, Patrick Y.,Genêt, Jean-Pierre,Michelet, Véronique

scheme or table, p. 538 - 545 (2009/06/05)

The efficiency of a Au(III)/chiral ligand system has been studied. The association of several chiral mono- and bidentate phosphanes with gold has been tested in the formal addition of an oxygen nucleophile to an alkene followed by a cyclization process, n

REACTION OF HALOGENO- AND DIHALOGENONITROACETIC ESTERS WITH TRIPHENYLPHOSPHINE

Martynov, I. V.,Postnova, L. V.,Bikkineev, R. Kh.,Yurtanov, A. I.

, p. 1571 - 1573 (2007/10/02)

The reaction of halogeno- and dihalogenonitroacetic esters with triphenylphosphine in mixtures with protic and aprotic solvents leads to the formation of triphenylphosphine oxide and to substitution of one halogen atom in the esters by a hydrogen atom.

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