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857601-15-1

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857601-15-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 857601-15-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,7,6,0 and 1 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 857601-15:
(8*8)+(7*5)+(6*7)+(5*6)+(4*0)+(3*1)+(2*1)+(1*5)=181
181 % 10 = 1
So 857601-15-1 is a valid CAS Registry Number.

857601-15-1Downstream Products

857601-15-1Relevant articles and documents

Palladium C-N bond formation catalysed by air-stable robust polydentate ferrocenylphosphines: A comparative study for the efficient and selective coupling of aniline derivatives to dichloroarene

Platon, Melanie,Roger, Julien,Royer, Sylviane,Hierso, Jean-Cyrille

, p. 2072 - 2080 (2014/06/24)

The arylation of aniline derivatives with dichloroarenes under a low palladium content (below the currently used 5 to 10 mol%) was studied using nine different ferrocenylphosphine ligands, including the easily accessible 1,1′-bis(diphenylphosphino)ferrocene, DPPF. The electron-enriched air-stable tridentate ferrocenylpolyphosphine 1,2-bis(diphenylphosphino)- 1′-(diisopropylphosphino)-4-tert-butylferrocene, L5, employed in 2 mol% in combination with 1 mol% [PdCl(η3-C3H 5)]2 allows an efficient and selective coupling, while such demanding substrates currently induce chloroarene homocoupling and/or dehalogenation processes. The scope and limitation of the optimized system are explored, with a focus on electron-poor fluoroanilines (deactivated nucleophiles) and electron-rich methylated and methoxylated dichlorobenzenes (deactivated electrophiles). The Royal Society of Chemistry 2014.

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