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22859-57-0

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22859-57-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 22859-57-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,2,8,5 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 22859-57:
(7*2)+(6*2)+(5*8)+(4*5)+(3*9)+(2*5)+(1*7)=130
130 % 10 = 0
So 22859-57-0 is a valid CAS Registry Number.

22859-57-0Relevant articles and documents

Reactivity of bulky aminophosphanes towards small molecules: Activation of dihydrogen and carbon dioxide by aminophosphane/borane frustrated Lewis pairs

Chojnacki, Jaros?aw,Grubba, Rafa?,Kaniewska-Laskowska, Kinga,Siedzielnik, Magdalena,Szynkiewicz, Natalia

, (2020/12/17)

A series of mono- and bisaminophosphanes with formulas R2NPR'R’’ and (R2N)2PR’ (R = iPr, Cy; R’ = Ph, Cy; R’’ = iPr) were characterized by X-ray analysis, NMR spectroscopy and computational methods. The common structural f

Exploring the Reactivity of Donor-Stabilized Phosphenium Cations: Lewis Acid-Catalyzed Reduction of Chlorophosphanes by Silanes

Pearce, Kyle G.,Borys, Andryj M.,Clark, Ewan R.,Shepherd, Helena J.

, p. 11530 - 11536 (2018/09/21)

Phosphane-stabilized phosphenium cations react with silanes to effect either reduction to primary or secondary phosphanes, or formation of P-P bonded species depending upon counteranion. This operates for in situ generated phosphenium cations, allowing catalytic reduction of P(III)-Cl bonds in the absence of strong reducing agents. Anion and substituent dependence studies have allowed insight into the competing mechanisms involved.

Transformations of diphenylphosphinothioic acid tertiary amides mediated by directed ortho metallation

El Hajjouji, Hajar,Belmonte, Eva,Garcia-Lopez, Jesus,Fernandez, Ignacio,Iglesias, Maria Jose,Roces, Laura,Garcia-Granda, Santiago,El Laghdach, Anas,Lopez Ortiz, Fernando

experimental part, p. 5647 - 5658 (2012/08/08)

ortho-Lithiation of N,N-diisopropyl-P,P-diphenylphosphinothioic amide using n-BuLi in the presence of TMEDA in diethyl ether followed by electrophilic trapping is described as an efficient method for the synthesis of ortho-functionalised derivatives in high yields. The structural modification of the phosphinothioic amide includes C-X (X = P, S, Si, Sn, I) and C-C bond forming reactions with a large variety of electrophiles. Additional applications based on functional group transformations are also reported. They include imine formation, desulfurization and Suzuki cross-coupling reactions on selected compounds.

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