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41018-52-4

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41018-52-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 41018-52-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,1,0,1 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 41018-52:
(7*4)+(6*1)+(5*0)+(4*1)+(3*8)+(2*5)+(1*2)=74
74 % 10 = 4
So 41018-52-4 is a valid CAS Registry Number.

41018-52-4Relevant articles and documents

Preparation and Synthetic Applicability of Imidazole-Containing Cyclic Iodonium Salts

Antonkin, Nikita S.,Vlasenko, Yulia A.,Yoshimura, Akira,Smirnov, Vladimir I.,Borodina, Tatyana N.,Zhdankin, Viktor V.,Yusubov, Mekhman S.,Shafir, Alexandr,Postnikov, Pavel S.

, p. 7163 - 7178 (2021/05/29)

A novel approach to the preparation of imidazole-substituted cyclic iodonium salts has been developed via the oxidative cyclization of 1-phenyl-5-iodoimidazole using a cheap and available Oxone/H2SO4 oxidative system. The structure of the new polycyclic heteroarenes has been confirmed by single-crystal X-ray diffractometry, revealing the characteristic structure features for cyclic iodonium salts. The newly produced imidazole-flanked cyclic iodonium compounds were found to readily engage in a heterocyclization reaction with elemental sulfur, affording benzo[5,1-b]imidazothiazoles in good yields.

Safer Synthesis of (Diacetoxyiodo)arenes Using Sodium Hypochlorite Pentahydrate

Watanabe, Ayumi,Miyamoto, Kazunori,Okada, Tomohide,Asawa, Tomotake,Uchiyama, Masanobu

, p. 14262 - 14268 (2018/11/23)

A practical method for the preparation of (diacetoxyiodo)arene ArI(OAc)2 is described. The use of commercially available sodium hypochlorite pentahydrate (NaClO·5H2O) enabled safe, rapid, and inexpensive oxidation of iodoarenes with electron-withdrawing and -donating substituents. The method allows tandem divergent access to synthetically useful organo-λ3-iodanes such as hydroxyl(tosyloxy)iodobenzene, iodosylbenzene, iodonium ylide, etc.

Metathetical redox reaction of (diacetoxyiodo)arenes and iodoarenes

Lauriers, Antoine Jobin-Des,Legault, Claude Y.

, p. 22635 - 22644 (2016/01/26)

The oxidation of iodoarenes is central to the field of hypervalent iodine chemistry. It was found that the metathetical redox reaction between (diacetoxyiodo)arenes and iodoarenes is possible in the presence of a catalytic amount of Lewis acid. This discovery opens a new strategy to access (diacetoxyiodo)arenes. A computational study is provided to rationalize the results observed.

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