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32347-16-3

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32347-16-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 32347-16-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,2,3,4 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 32347-16:
(7*3)+(6*2)+(5*3)+(4*4)+(3*7)+(2*1)+(1*6)=93
93 % 10 = 3
So 32347-16-3 is a valid CAS Registry Number.

32347-16-3Downstream Products

32347-16-3Relevant articles and documents

(NHC)AgCl catalyzed bromofluorocyclopropanation of alkenes with CFBr2CO2Na

Andrianova, Anastasia A.,Maslova, Yulia D.,Novikov, Maxim A.,Semenov, Sergei E.,Nefedov, Oleg M.

, p. 49 - 55 (2018)

An effective method for bromofluorocyclopropanation of electron-rich (aryl substituted), electron-neutral (monoalkyl substituted), electron-poor (haloalkenes, allylic esters, α,β-unsaturated esters) and acid/base sensitive silyl- and boronyl substituted a

Copper-catalyzed ligand free ring-opening amination of gem-fluorohalocyclopropanes – An efficient route toward 2-fluoroallylamines

Novikov, Maxim A.,Ibatov, Yaroslav A.,Volchkov, Nikolai V.,Lipkind, Maria B.,Semenov, Sergei E.,Nefedov, Oleg M.

supporting information, p. 58 - 72 (2017/01/18)

Ring-opening amination of gem-chlorofluoro- and gem-bromofluorocyclopropanes with secondary alkyl, aryl amines or hydroxylamines catalyzed by copper(I) or copper(II) compounds with no additional ligands affords tertiary 2-fluoroallylamines or hydroxylamines in moderate to excellent yields. The reaction pathway involves isomerization of gem-fluorohalocyclopropanes to 2-fluoroallyl halides followed by in situ nucleophilic substitution of a halide by an N-nucleophile. The p-methoxyphenyl (PMP) protective group is efficient in the preparation of secondary 2-fluoroallylamines by this method. Primary 2-fluoroallylamines can only be obtained by a stepwise protocol including CuX-catalyzed isomerization of gem-fluorohalocyclopropanes to 2-fluoroallylic halides followed by amination.

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