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1054612-48-4

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1054612-48-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1054612-48-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,5,4,6,1 and 2 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 1054612-48:
(9*1)+(8*0)+(7*5)+(6*4)+(5*6)+(4*1)+(3*2)+(2*4)+(1*8)=124
124 % 10 = 4
So 1054612-48-4 is a valid CAS Registry Number.

1054612-48-4Downstream Products

1054612-48-4Relevant articles and documents

Xphos ligand and platinum catalysts: A versatile catalyst for the synthesis of functionalized β-(E)-vinylsilanes from terminal alkynes

Hamze, Abdallah,Provot, Olivier,Brion, Jean-Daniel,Alami, Mouad

, p. 2789 - 2797 (2008/12/20)

Hydrosilylation of functionalized terminal arylalkynes with a variety of silanes catalyzed by PtCl2 or PtO2 in the presence of the air-stable and bulky Xphos ligand was investigated. Regardless of the electronic nature (electron withdrawing or donating group) and the position (o, m, p) of the substituents on the aromatic ring, a single β-(E)-styrylsilanes was obtained in good to excellent yields. The regioselectivity of the H-Si bond addition was found to be governed by steric effects induced by the bulky Xphos ligand. A dramatic regioselectivity was also observed when functionalized terminal aliphatic alkynes were employed as a substrate and in these cases regioisomeric β-(E)-vinylsilanes were generated with excellent selectivity.

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