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561280-07-7

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561280-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 561280-07-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,1,2,8 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 561280-07:
(8*5)+(7*6)+(6*1)+(5*2)+(4*8)+(3*0)+(2*0)+(1*7)=137
137 % 10 = 7
So 561280-07-7 is a valid CAS Registry Number.

561280-07-7Downstream Products

561280-07-7Relevant articles and documents

Mechanistic dichotomy in the asymmetric allylation of aldehydes with allyltrichlorosilanes catalyzed by chiral pyridine N-oxides

Malkov, Andrei V.,Stoncius, Sigitas,Bell, Mark,Castelluzzo, Fabiomassimo,Ramirez-Lopez, Pedro,Biedermannova, Lada,Langer, Vratislav,Rulisek, Lubomir,Kocovsky, Pavel

, p. 9167 - 9185 (2013/07/26)

Detailed kinetic and computational investigation of the enantio- and diastereoselective allylation of aldehydes 1 with allyltrichlorosilanes 5, employing the pyridine N-oxides METHOX (9) and QUINOX (10) as chiral organocatalysts, indicate that the reaction can proceed through a dissociative (cationic) or associative (neutral) mechanism: METHOX apparently favors a pentacoordinate cationic transition state, while the less sterically demanding QUINOX is likely to operate via a hexacoordinate neutral complex. In both pathways, only one molecule of the catalyst is involved in the rate- and selectivity-determining step, which is supported by both experimental and computational data. Copyright

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