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1207958-19-7

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1207958-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1207958-19-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,7,9,5 and 8 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1207958-19:
(9*1)+(8*2)+(7*0)+(6*7)+(5*9)+(4*5)+(3*8)+(2*1)+(1*9)=167
167 % 10 = 7
So 1207958-19-7 is a valid CAS Registry Number.

1207958-19-7Downstream Products

1207958-19-7Relevant articles and documents

Synthesis of Highly Substituted Arenes via Cyclohexadiene-Alkene C-H Cross Coupling and Aromatization

Bhunia, Anup,Studer, Armido

, p. 1213 - 1217 (2018/02/14)

The development of a cross-coupling method for the regioselective β-alkenylation of 2,5-cyclohexadiene carboxylic acid derivatives to form ortho-alkenylarenes through in situ decarboxylation and aromatization is described. The carboxylic acid functionality is used as a traceless directing group for efficient and mild β-alkenylation. The modular sequence comprises a reductive Birch α-alkylation, ionic ?-alkylation followed by a Pd-catalyzed decarboxylative β-alkenylation with subsequent aromatization resulting in an overall three-fold ipso-para-ortho functionalization of readily accessed benzoic acid derivatives. Efficient synthesis of various alkyl-alkenylarenes under mild conditions in moderate to excellent yields is presented.

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