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1542275-72-8

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1542275-72-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1542275-72-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,4,2,2,7 and 5 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1542275-72:
(9*1)+(8*5)+(7*4)+(6*2)+(5*2)+(4*7)+(3*5)+(2*7)+(1*2)=158
158 % 10 = 8
So 1542275-72-8 is a valid CAS Registry Number.

1542275-72-8Relevant articles and documents

Nickel-Catalyzed Heteroarenes Cross Coupling via Tandem C-H/C-O Activation

Wang, Ting-Hsuan,Ambre, Ram,Wang, Qing,Lee, Wei-Chih,Wang, Pen-Cheng,Liu, Yuhua,Zhao, Lili,Ong, Tiow-Gan

, p. 11368 - 11376 (2018/11/23)

Inert aryl methyl ethers as coupling components via C-O activation have been established with a Ni catalyst for C-H activation of heteroarene. The key to simultaneous C-H/C-O bond activation is the use of sterically demanding o-tolylMgBr. The protocol is effective for a wide scope of substrates including naphthyl methyl ethers, anisoles, and a variety of other heteroarene derivatives. Detailed mechanistic studies indicated that the C-O cleavage is assisted via synergistic effect of nickel and Grignard reagent in this C-H/C-O reaction, which is supported by DFT calculation. At this stage, single-electron transfer can be ruled out as a main operative process for this tandem strategy.

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