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958877-81-1

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958877-81-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 958877-81-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,8,8,7 and 7 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 958877-81:
(8*9)+(7*5)+(6*8)+(5*8)+(4*7)+(3*7)+(2*8)+(1*1)=261
261 % 10 = 1
So 958877-81-1 is a valid CAS Registry Number.

958877-81-1Relevant articles and documents

C-C bond formation via C-H bond activation: Catalytic arylation and alkenylation of alkane segments

Sezen, Bengue,Franz, Roberto,Sames, Dalibor

, p. 13372 - 13373 (2002)

A new system for catalytic arylation and alkenylation of alkane segments has been developed. The ortho-tert-butylaniline substrates and 2-pivaloylpyridine may be arylated and alkenylated at the tert-butyl group, while no functionalization occurred at more reactive C-H and other bonds. Arylation and alkenylation of these substrates are achieved in the presence of Ph2Si(OH)Me and Ph-CH=CH-Si(OH)Me2, respectively, and the catalytic amount of Pd(OAc)2 and stoichiometric oxidant (Cu(OAc)2, 2 equiv) in DMF. In contrast, the ortho-i-propylaniline substrate underwent cyclopalladation, but no arylation product was obtained. Complex compound 14 was synthesized via tandem arylation-alkenylation of tert-butylaniline 11. We hypothesize that the high selectivity of this system stems from the confluence of directing effect of the Schiff base or pyridine moiety and unique reactivity properties of a phenyl-palladium acetate species (Ph-Pd-OAc·Ln). Copyright

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