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6363-21-9

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6363-21-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 6363-21-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,3,6 and 3 respectively; the second part has 2 digits, 2 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 6363-21:
(6*6)+(5*3)+(4*6)+(3*3)+(2*2)+(1*1)=89
89 % 10 = 9
So 6363-21-9 is a valid CAS Registry Number.

6363-21-9Relevant articles and documents

Enantioselective 1,4-conjugate addition of diethylzinc to (E)-alkenyl aryl ketones catalysed by Cu/DiPPAM complex

Magrez, Magaly,Wencel-Delord, Joanna,Crévisy, Christophe,Mauduit, Marc

experimental part, p. 3507 - 3511 (2012/06/15)

We report here the use of the DiPPAM-L1 ligand for copper-catalysed asymmetric conjugate addition (ACA) of diethylzinc to various (E)-alkenyl aryl ketones where the aryl ring is either a phenyl group substituted by nitro, chloro or methoxy groups or not s

Biphenol-based phosphoramidite ligands for the enantioselective copper-catalyzed conjugate addition of diethylzinc

Alexakis, Alexandre,Polet, Damien,Rosset, Stephane,March, Sebastien

, p. 5660 - 5667 (2007/10/03)

Phosphoramidite ligands, based on ortho-substituted biphenols and a chiral amine, induce high enantioselectivities (ee's up to 99%) in the copper-catalyzed conjugate addition of dialkylzinc reagents to a variety of Michael acceptors. Particularly, the best reported ee's were obtained for acyclic nitroolefins.

Asymmetric Synthesis of Ketones by SmI2-Mediated Allylation or Benzylation of Ketenes Followed by Enantioselective Protonation

Takeuchi, Seiji,Miyoshi, Norikazu,Ohgo, Yoshiaki

, p. 551 - 554 (2007/10/02)

SmI2-mediated allylation or benzylation of alkylarylketenes followed by enantioselective protonation with α,α'-di-o-xylenedioxide gave the corresponding ketones in 61-91percentee.

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