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1613289-76-1

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1613289-76-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1613289-76-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,1,3,2,8 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1613289-76:
(9*1)+(8*6)+(7*1)+(6*3)+(5*2)+(4*8)+(3*9)+(2*7)+(1*6)=171
171 % 10 = 1
So 1613289-76-1 is a valid CAS Registry Number.

1613289-76-1Downstream Products

1613289-76-1Relevant articles and documents

Cu/Mn Co-oxidized cyclization for the synthesis of highly substituted pyrrole derivatives from amino acid esters: A strategy for the biomimetic syntheses of lycogarubin c and chromopyrrolic acid

Zhou, Nini,Xie, Tao,Liu, Lin,Xie, Zhixiang

, p. 6061 - 6068 (2014/07/21)

An effective and concise approach to synthesis of tetrasubstituted pyrroles from readily available amino acid esters by the promotion of Cu(OAc) 2 in conjunction with Mn(OAc)3 has been developed. This reaction proceeds through multiple dehydrogenations, deamination, and oxidative cyclization. This oxidized system tolerates substrates bearing various electron-donating or electron-withdrawing groups. With this methodology, several key intermediates of natural products have been effectively prepared, and the total syntheses of lycogarubin C and chromopyrrolic acid have been completed in high efficiency.

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