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1312447-94-1

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1312447-94-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1312447-94-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,1,2,4,4 and 7 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1312447-94:
(9*1)+(8*3)+(7*1)+(6*2)+(5*4)+(4*4)+(3*7)+(2*9)+(1*4)=131
131 % 10 = 1
So 1312447-94-1 is a valid CAS Registry Number.

1312447-94-1Relevant articles and documents

Catalytic Synthesis of Dibenzazepines and Dibenzazocines by 7-Exo- and 8-Endo-Dig-Selective Cycloisomerization

Ito, Mamoru,Takaki, Asahi,Okamura, Moeka,Kanyiva, Kyalo Stephen,Shibata, Takanori

, p. 1688 - 1692 (2021/03/22)

The 7-exo- and 8-endo-dig-selective gold-catalyzed cycloisomerizations of 2-propargylamino biphenyl derivatives were developed. The reaction of terminal alkynes gave dibenzo[b,d]azepines by 7-exo-dig cycloisomerization. In contrast, when internal alkynes were subjected to the reaction, 8-endo-dig cycloisomerization proceeded to provide dibenzo[b,d]azocines. The nucleophilicity at the reaction site and the electron-withdrawing effect of a tosyl group were important for the present selective transformation. This protocol could be used for ynamide substrates and a silver-catalyzed reaction gave 7-exo-dig products selectively.

Palladium-catalyzed oxidative insertion of carbon monoxide to N -sulfonyl-2-aminobiaryls through C-H bond activation: Access to bioactive phenanthridinone derivatives in one pot

Rajeshkumar, Venkatachalam,Lee, Tai-Hua,Chuang, Shih-Ching

, p. 1468 - 1471 (2013/06/26)

Palladium-catalyzed oxidative carbonylation of N-sulfonyl-2-aminobiaryls through C-H bond activation and C-C, C-N bond formation under TFA-free and milder conditions has been developed. The reaction tolerates a variety of substrates and provides biologically important phenanthridinone derivatives in yields up to 94%.

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