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1319744-31-4

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1319744-31-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1319744-31-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,9,7,4 and 4 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1319744-31:
(9*1)+(8*3)+(7*1)+(6*9)+(5*7)+(4*4)+(3*4)+(2*3)+(1*1)=164
164 % 10 = 4
So 1319744-31-4 is a valid CAS Registry Number.

1319744-31-4Relevant articles and documents

Directing Group Participated Benzylic C(sp3)-H/C(sp2)-H Cross-Dehydrogenative Coupling (CDC): Synthesis of Azapolycycles

Jiang, Yaojia,Deng, Gongtao,Zhang, Shuaishuai,Loh, Teck-Peng

, p. 652 - 655 (2018/02/09)

An efficient method to construct azapolycycles via directing group participated benzylic C(sp3)-H/C(sp2)-H cross-dehydrogenative coupling reactions is described. The reaction proceeded through a palladium catalyzed C(sp3)-H activation followed by coupling with a C(sp2)-H bond of quinoline to afford the azapolycyclic compounds. The reaction works with a broad substrate scope affording the products in moderate to good yields with excellent diastereoselectivities. Control experiments further supported the proposed mechanism.

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