Cas 179104-75-7,4,5-Dimethoxy-α-phenyl-2-(N-trifluoroacetylamino)benzyl methyl ether

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Check Digit Verification of cas no

The CAS Registry Mumber 179104-75-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,9,1,0 and 4 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 179104-75:
(8*1)+(7*7)+(6*9)+(5*1)+(4*0)+(3*4)+(2*7)+(1*5)=147
147 % 10 = 7
So 179104-75-7 is a valid CAS Registry Number.

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179104-75-7Relevant academic research and scientific papers

Novel indole-ring formation by thermolysis of 2-(N-acylamino)benzylphosphonium salts. Effective synthesis of 2-trifluoromethylindoles

Miyashita, Kazuyuki,Kondoh, Katsunori,Tsuchiya, Katsutoshi,Miyabe, Hideto,Imanishi, Takeshi

, p. 1261 - 1268 (2007/10/03)

Thermolysis of 2-(N-acylamino)benzyl methyl ethers, in the presence of an acid catalyst and triphenylphosphine, or 2-(N-acylamino)benzylphosphonium salts is found to serve as a novel method for indole formation, in particular for the synthesis of 2-trifluoromethylindoles. The reaction of the benzyl methyl ethers is suggested to involve a phosphonium intermediate, which thermally decomposes to the indoles.

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