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401-12-7

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401-12-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 401-12-7 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 4,0 and 1 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 401-12:
(5*4)+(4*0)+(3*1)+(2*1)+(1*2)=27
27 % 10 = 7
So 401-12-7 is a valid CAS Registry Number.

401-12-7Relevant articles and documents

Synthesis of Indole-2-carboxylate Derivatives via Palladium-Catalyzed Aerobic Amination of Aryl C-H Bonds

Clagg, Kyle,Hou, Haiyun,Weinstein, Adam B.,Russell, David,Stahl, Shannon S.,Koenig, Stefan G.

supporting information, p. 3586 - 3589 (2016/08/16)

A direct oxidative C-H amination affording 1-acetyl indolecarboxylates starting from 2-acetamido-3-arylacrylates has been achieved. Indole-2-carboxylates can be targeted with a straightforward deacetylation of the initial reaction products. The C-H amination reaction is carried out using a catalytic Pd(II) source with oxygen as the terminal oxidant. The scope and application of this chemistry is demonstrated with good to high yields for numerous electron-rich and electron-poor substrates. Further reaction of selected products via Suzuki arylation and deacetylation provides access to highly functionalized indole structures.

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