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727381-45-5

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727381-45-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 727381-45-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,2,7,3,8 and 1 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 727381-45:
(8*7)+(7*2)+(6*7)+(5*3)+(4*8)+(3*1)+(2*4)+(1*5)=175
175 % 10 = 5
So 727381-45-5 is a valid CAS Registry Number.

727381-45-5Downstream Products

727381-45-5Relevant articles and documents

Persistent N-chirality as the only Source of asymmetry in nonracemic N 2PdCl2 complexes

Pelz, Kathryn A.,White, Peter S.,Gagne, Michel R.

, p. 3210 - 3217 (2008/10/09)

The combination of prochiral 1,2-diamines, Pd(OAc)2, and (R)-K2-3,3′-Me2BINOL leads to enantio- and diastereopure N2Pd(3,3′-Me2BINOL) complexes. HCl removes the Me2BINOL resolving ligand and provides a family of enantiopure N2PdCl2 complexes whose only stereochemistry resides on the stereogenic nitrogen centers. In effect, nitrogen inversion (>105 s-1) is halted by metal coordination and utilized to generate enantiopure complexes. When the diamine substituents are relatively small, the N-chirality is stable; however, large substituents accelerate N-dissociation processes and concomitant racemization. Enantiopure N 2Pd2+-Lewis acid catalysts can be generated for the Diels-Alder reaction, and although enantioselectivities are low (a degradation of the catalyst's chirality.

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