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27827-43-6

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27827-43-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 27827-43-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,7,8,2 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 27827-43:
(7*2)+(6*7)+(5*8)+(4*2)+(3*7)+(2*4)+(1*3)=136
136 % 10 = 6
So 27827-43-6 is a valid CAS Registry Number.

27827-43-6Relevant articles and documents

Aerobic oxidation of hydroxylamines with nanoporous gold catalyst as an efficient synthetic method of nitrones Dedicated to Professor Jiro Tsuji on the occasion of his receipt of the 2014 Tetrahedron Prize

Yudha S, Salprima,Kusuma, Indra,Asao, Naoki

, p. 6459 - 6462 (2015/08/18)

Abstract A facile preparation of nitrones has been achieved by use of unsupported nanoporous gold (AuNPore) as a heterogeneous catalyst through aerobic oxidation of N,N-disubstituted hydroxylamines with molecular oxygen as an oxidizing agent under mild conditions. A variety of amines were oxidized to the corresponding nitrones in high chemical yields. The catalyst is robust enough to be reused without leaching.

Grafting of a rhenium-oxo complex on Schiff base functionalized graphene oxide: An efficient catalyst for the oxidation of amines

Khatri, Praveen K.,Choudhary, Shivani,Singh, Raghuvir,Jain, Suman L.,Khatri, Om P.

, p. 8054 - 8061 (2014/05/20)

A rhenium-oxo complex such as methyltrioxorhenium (MTO) has been homogeneously immobilized on a Schiff base modified graphene oxide (GrO) support via covalent bonding. The loading of MTO on GrO nanosheets was monitored by FTIR, TG-DTA, and elemental analyses. The developed heterogeneous catalyst is found to be efficient for the oxidation of various amines to the corresponding N-oxides using hydrogen peroxide as an oxidant in high to excellent yields. At the end of the reaction, the catalyst is readily recovered by filtration and reused for subsequent runs. After the third run, the catalyst showed a marginal decrease in catalytic activity owing to the leaching of the MTO complex from the support. This journal is the Partner Organisations 2014.

A metal-free general procedure for oxidation of secondary amines to nitrones

Gella, Carolina,Ferrer, Eric,Alibes, Ramon,Busque, Felix,De March, Pedro,Figueredo, Marta,Font, Josep

experimental part, p. 6365 - 6367 (2009/12/24)

(Chemical Equation Presented) An efficient and metal-free protocol for direct oxidation of secondary amines to nitrones has been developed, using Oxone in a biphasic basic medium as the sole oxidant. The method is general and tolerant with other functiona

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