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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

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

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

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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