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476619-76-8

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476619-76-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 476619-76-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,7,6,6,1 and 9 respectively; the second part has 2 digits, 7 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 476619-76:
(8*4)+(7*7)+(6*6)+(5*6)+(4*1)+(3*9)+(2*7)+(1*6)=198
198 % 10 = 8
So 476619-76-8 is a valid CAS Registry Number.

476619-76-8Relevant articles and documents

Tetrabutylammonium Iodide (TBAI) Catalyzed Electrochemical C-H Bond Activation of 2-Arylated N -Methoxyamides for the Synthesis of Phenanthridinones

Subramanian, Kripa,Yedage, Subhash L.,Sethi, Kashish,Bhanage, Bhalchandra M.

supporting information, p. 999 - 1003 (2021/04/19)

An electrochemical method for the synthesis of phenanthridinones through constant-potential electrolysis (CPE) mediated by Bu 4 NI (TBAI) is reported. The protocol is metal and oxidant free, and proceeds with 100% current efficiency. TBAI plays a dual role as both a redox catalyst and a supporting electrolyte. The intramolecular C-H activation proceeds under mild reaction conditions and with a short reaction time through electrochemically generated amidyl radicals. The reaction has been scaled up to a gram level, showing its practicability, and the synthetic utility and applicability of the protocol have been demonstrated by a direct one-step synthesis of the bioactive compound phenaglaydon.

PPh3/I2/HCOOH: An efficient CO source for the synthesis of phthalimides

Wang, Yingying,Zhou, Yang,Lei, Min,Hou, Jinjun,Jin, Qinghao,Guo, Dean,Wu, Wanying

supporting information, p. 1180 - 1185 (2019/01/26)

A straightforward and general method has been developed for the synthesis of phthalimide derivatives from 2-iodobenzamides and PPh3/I2/HCOOH in the presence of a catalytic amount of Pd(OAc)2. The reaction results demonstrate that PPh3/I2/HCOOH is a facile, efficient and safe CO source. The whole process is carried out in toluene at 80 °C and furnishes the desired products in good to excellent yields.

Diastereoselective Nickel-Catalyzed Carboiodination Generating Six-Membered Nitrogen-Based Heterocycles

Marchese, Austin D.,Kersting, Louise,Lautens, Mark

supporting information, p. 7163 - 7168 (2019/09/12)

A scalable, diastereoselective nickel-catalyzed carboiodination reaction is reported that avoids metal-based reducing agents. Novel anti-dihydroquinolones and previously unreported tetrahydroquinolines are now readily prepared. The generation of anti-dihydroquinolones is noteworthy, as this selectivity is opposite to that of the Pd variant. Mechanistic insight into the nature of the nickel-catalyzed carboiodination reaction was derived experimentally, suggesting a catalyst-controlled cyclization and stereoretentive reductive elimination.

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