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180069-53-8

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180069-53-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 180069-53-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,0,0,6 and 9 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 180069-53:
(8*1)+(7*8)+(6*0)+(5*0)+(4*6)+(3*9)+(2*5)+(1*3)=128
128 % 10 = 8
So 180069-53-8 is a valid CAS Registry Number.

180069-53-8Relevant articles and documents

Trans-Symmetric Dynamic Covalent Systems: Connected Transamination and Transimination Reactions

Schaufelberger, Fredrik,Hu, Lei,Ramstr?m, Olof

, p. 9776 - 9783 (2015/06/30)

The development of chemical transaminations as a new type of dynamic covalent reaction is described. The key 1,3-proton shift is under complete catalytic control and can be conducted orthogonally to, or simultaneous with, transimination in the presence of an amine to rapidly yield two-dimensional dynamic systems with a high degree of complexity evolution. The transamination-transimination systems are proven to be fully reversible, stable over several days, compatible with a range of functional groups, and highly tunable. Kinetic studies show transamination to be the rate-limiting reaction in the network. Furthermore, it was discovered that readily available quinuclidine is a highly potent catalyst for aldimine transaminations. This study demonstrates how connected dynamic reactions give rise to significantly larger systems than the unconnected counterparts, and shows how reversible isomerizations can be utilized as an effective diversity-generating element. Constant exchange: The development of chemical transaminations as a new type of dynamic covalent reactions is described (see figure). This study demonstrates how connected dynamic reactions give rise to significantly larger systems than the unconnected counterparts, and shows how reversible isomerizations can be utilized as an effective diversity-generating element.

Oxidation of N-benzylaldimines to N-benzylamides by MCPBA and BF3·OEt2

An, Gwang-Il,Rhee, Hakjune

, p. 876 - 878 (2007/10/03)

N-Benzylamides were obtained from the corresponding N-benzylaldimines in high yields. N-Benzylaldimines are readily prepared from the corresponding aldehydes with benzylamine. This procedure involves the oxidation of N-benzylaldimines with MCPBA with BF3·OEt2. In this reaction, the reaction presumably follows an internal hydrogen abstraction to provide only N-benzylamide.

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