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1422985-26-9

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1422985-26-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1422985-26-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,2,2,9,8 and 5 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1422985-26:
(9*1)+(8*4)+(7*2)+(6*2)+(5*9)+(4*8)+(3*5)+(2*2)+(1*6)=169
169 % 10 = 9
So 1422985-26-9 is a valid CAS Registry Number.

1422985-26-9Downstream Products

1422985-26-9Relevant articles and documents

Highly enantioselective construction of CF3-bearing all-carbon quaternary stereocenters: Hiral spiro-fused bisoxazoline ligands with 1,1′-binaphthyl sidearm for asymmetric Michael-type Friedel-Crafts reaction

Bao, Robert Li-Yuan,Fu, Kang,Shi, Lei

, (2021/11/27)

A novel class of chiral spiro-fused bisoxazoline ligands possessing a deep chiral pocket was prepared. The developed ligands have been employed in the nickel-catalyzed highly enantioselective Michael-type Friedel-Crafts reaction, affording the products bearing a trifluoromethylated all-carbon quaternary stereocenter with moderate to excellent yields (up to 99%) and good to excellent enantioselectivies (up to > 99.9% ee). Moreover, a proposed model of chiral pocket revealed that the attack of indole from the Re-face of β-CF3-β-disubstituted nitroalkene was favorable.

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