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67425-83-6

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67425-83-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 67425-83-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,4,2 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 67425-83:
(7*6)+(6*7)+(5*4)+(4*2)+(3*5)+(2*8)+(1*3)=146
146 % 10 = 6
So 67425-83-6 is a valid CAS Registry Number.

67425-83-6Relevant articles and documents

Weak base-promoted selective rearrangement of oxaziridines to amidesviavisible-light photoredox catalysis

Park, Jin,Park, Sehoon,Jang, Gwang Seok,Kim, Ran Hui,Jung, Jaehoon,Woo, Sang Kook

supporting information, p. 9995 - 9998 (2021/10/06)

The selective rearrangement of oxaziridines to amidesviaa single electron transfer (SET) pathway is unexplored. In this study, we present a weak base-promoted selective rearrangement of oxaziridines to amidesviavisible-light photoredox catalysis. The developed method shows excellent functional group tolerance with a broad substrate scope and good to excellent yields. Furthermore, control experiments and density functional theory (DFT) calculations are performed to gain insight into the reactivity and selectivity.

[Bmim]BF4-immobilized rhenium-catalyzed highly efficient oxygenation of aldimines to oxaziridines using solid peroxides as oxidants

Jain, Suman L.,Singhal, Sweety,Sain, Bir

, p. 2930 - 2935 (2008/02/02)

Various rhenium-based catalysts immobilized in [bmim]BF4 were found to be efficient for oxygenation of various aldimines to the corresponding oxaziridines in excellent yields under mild conditions using solid peroxides like UHP, SPC and SPB as oxidants. Among the various rhenium-based catalysts studied, MTO was found to be most efficient. The reusability and recyclability of MTO immobilized in [bmim]BF4 was established by using it for three subsequent cycles for oxygenation of benzylidine-tert-butylamine using UHP as oxidant.

Imines and Derivatives. Part 24. Nitrone Synthesis by Imine Oxidation using either a Peroxyacid or Dimethyldioxirane

Boyd, Derek R.,Coulter, Peter B.,McGuckin, M. Rosaleen,Sharma, Narain D.,Jennings, W. Brian,Wilson, Valerie E.

, p. 301 - 306 (2007/10/02)

The oxidation of N-alkyl imines by m-chloroperoxybenzoic acid to yield nitrones was facilitated by (i) the presence of C-aryl substituents, (ii) steric inhibition of attack at the imino C-atom, (iii) electron donating para-substituents on the C-aryl substituent, (iv) non-hydroxylic solvents, (v) optimal conjugation between C-aryl substituents and the imino group, and (vi) less bulky N-alkyl groups. The oxidation of N-alkyl imines by dimethyldioxirane (DMD) in dichloromethane-acetone solution yielded nitrones without evidence of oxaziridine formation.The yields of isolated nitrones were higher for C,C-diaryl imines and for imines bearing less bulky N-alkyl substituents.N-H substituted ketimines were found to yield oximes after reaction with dimethyldioxirane.

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