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2059-29-2

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2059-29-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2059-29-2 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,0,5 and 9 respectively; the second part has 2 digits, 2 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2059-29:
(6*2)+(5*0)+(4*5)+(3*9)+(2*2)+(1*9)=72
72 % 10 = 2
So 2059-29-2 is a valid CAS Registry Number.

2059-29-2Downstream Products

2059-29-2Relevant articles and documents

Cobalt-Catalyzed Direct Carbonylative Synthesis of Free (NH)-Benzo[ cd]indol-2(1 H)-ones from Naphthylamides

Ying, Jun,Fu, Lu-Yang,Zhong, Guoqiang,Wu, Xiao-Feng

, p. 5694 - 5698 (2019)

A cobalt-catalyzed C-H carbonylation of naphthylamides for the synthesis of benzo[cd]indol-2(1H)-one scaffolds has been developed. The reaction employs a traceless directing group and uses benzene-1,3,5-triyl triormate as the CO source, affording various free (NH)-benzo[cd]indol-2(1H)-ones in moderate to high yields (up to 88%). Using this protocol, the total synthesis of BET bromodomain inhibitors A and B was accomplished as well.

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