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65109-75-3

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65109-75-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 65109-75-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,1,0 and 9 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 65109-75:
(7*6)+(6*5)+(5*1)+(4*0)+(3*9)+(2*7)+(1*5)=123
123 % 10 = 3
So 65109-75-3 is a valid CAS Registry Number.

65109-75-3Relevant articles and documents

Hexafluoroisopropanol (HFIP)-prompted rearrangement of N-phenoxysulfonamides for the direct assembly of ortho-sulfonamide phenols: A combined experimental and computational study

Wang, Yi,Chen, Xiaoli,Lin, Shuang,Gao, Hui,Liu, Fu-Xiaomin,Zhou, Zhi,Yi, Wei

, (2022/01/08)

ortho-Sulfonamide phenols represent a class of attractive structural motifs in medicinal and synthetic chemistry. Herein an efficient metal-free rearrangement reaction has been developed for the construction of ortho-sulfonamide phenols via HFIP-prompted

Rhodium(III)-catalyzed redox-neutral coupling of N-phenoxyacetamides and alkynes with tunable selectivity

Liu, Guixia,Shen, Yangyang,Zhou, Zhi,Lu, Xiyan

, p. 6033 - 6037 (2013/07/19)

Give it a tweak: A novel oxidizing directing group was developed for a rhodium(III)-catalyzed C-H functionalization of N-phenoxyacetamides with alkynes. A small change in the reaction conditions leads to either ortho-hydroxyphenyl-substituted enamides or cyclization to deliver benzofurans with high selectivity (see scheme; Cp=C5Me5). Copyright

O-Substituted N-oxy arylsulfinamides and sulfonamides in Michael reactions

Bonifacio, Vasco D. B.,Kumar, Rakesh P.,Prabhakar, Sundaresan,Lobo, Ana M.

experimental part, p. 266 - 276 (2011/11/06)

O-Substituted N-oxy arylsulfinamides and sulfonamides undergo fast aza-Michael reaction in the presence of base and electron-deficient α,β-unsaturated olefins under mild conditions. With N-silyloxy benzenesulfinamides, no aza-Michael product is observed and a hetero aza-Brook type rearrangement takes place induced by the base. Room temperature N-desulfinylation of N-benzyloxybenzenesulfinamide is achieved using BF 3.Et2O. N-Alkoxy arylsulfonamides aza-Michael adducts are found to be generally highly stable under strongly acidic and basic conditions.

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