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889945-56-6

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889945-56-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 889945-56-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,8,9,9,4 and 5 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 889945-56:
(8*8)+(7*8)+(6*9)+(5*9)+(4*4)+(3*5)+(2*5)+(1*6)=266
266 % 10 = 6
So 889945-56-6 is a valid CAS Registry Number.

889945-56-6Downstream Products

889945-56-6Relevant articles and documents

Synthesis, structure, and catalytic applications for ortho - And meta -carboranyl based NBN pincer-Pd complexes

Tsang, Min Ying,Vinas, Clara,Teixidor, Francesc,Planas, Jose Giner,Conde, Nerea,Sanmartin, Raul,Herrero, Maria Teresa,Dominguez, Esther,Lledos, Agusti,Vidossich, Pietro,Choquesillo-Lazarte, Duane

, p. 9284 - 9295 (2014)

o- and m-Carborane-based NBN pincer palladium complexes (oCB-L1)Pd, (oCB-L2)Pd, and (mCB-L1)Pd are synthesized in two steps from commercially available starting materials. The pincer complexes were prepared by the reaction of bis-[R(hydroxy)methyl]-1,2-dicarba-closo-dodecaborane (R = 2-pyridyl oCB-L1, 6-methyl-2-pyridyl oCB-L2) or bis-[2-pyridyl (hydroxy)methyl]-1,2-dicarba-meta- dodecaborane (mCB-L1) with [PdCl2(MeCN)2] under mild conditions. The X-ray structure determination of all carboranyl pincer complexes shows unambiguously B-H activation of the carborane cages. The results agree with the Pd-B bonds in all complexes exhibiting strong σ-electron donation. Theoretical calculations reveal the importance of considering the solid state intermolecular hydrogen bonding when investigating the trans influence in organometallic chemistry. A localized orbitals approach has also been applied to analyze the metal oxidation state in the carboranyl pincer complexes. Catalytic applications of (oCB-L1)Pd and (mCB-L1)Pd have shown the complexes are good catalyst precursors in Suzuki coupling in water and with very low amounts of catalyst loadings.

Suzuki-miyaura cross-couplings mediated by trans-PdBr(N-Succ)(PPh 3)2: A convenient synthetic method for diarylmethanes and aryl(heteroaryl)- methanes

Fairlamb, Ian J. S.,Sehnal, Petr,Taylor, Richard J. K.

experimental part, p. 508 - 510 (2009/07/11)

Diarylmethanes can be accessed efficiently by Suzuki-Miyaura cross-couplings of arylboronic acids with benzyl halides mediated by trans-PdBr(N-Succ) (PPh3)2. The methodology can be applied to the synthesis of aryl(heteroaryl)methanes. Georg Thieme Verlag Stuttgart New York.

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