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Phenol, 2,2'-[1,3-propanediylbis(nitrilomethylidyne)]bis[4-bromo- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

86808-52-8

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86808-52-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 86808-52-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,8,0 and 8 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 86808-52:
(7*8)+(6*6)+(5*8)+(4*0)+(3*8)+(2*5)+(1*2)=168
168 % 10 = 8
So 86808-52-8 is a valid CAS Registry Number.

86808-52-8Relevant academic research and scientific papers

Selective copper-mediated halogenation of aromatic rings under mild conditions

Gamba, Ilaria,Gamez, Patrick,Monzani, Enrico,Casella, Luigi,Mutikainen, Ilpo,Reedijk, Jan

experimental part, p. 4360 - 4368 (2011/12/13)

A mild copper-mediated halogenation reaction of phenolic rings is reported. The reaction of bis(2-hydroxybenzyl)-1,3-diaminopropane (H2bhbd) with copper(II) chloride in acetonitrile generates linear trinuclear [Cu 3(bhcbd)2Cl2](CH3CN), containing modified ligands, whose phenol moieties are selectively chlorinated at the 5-position. Under comparable experimental conditions with copper(II) bromide, bromination of the ligand is observed, albeit at a slower reaction rate. In the presence of trialkylorthoformates, which are used as dehydrating agents, a ring closure of the ligand is observed after removal of copper to yield a product with a six-membered ring. This product has been isolated and characterized by NMR spectroscopy and MS. Similarly, bromination of bis(2-hydroxybenzyl)-1,3- diiminopropane (H2bhbdi) occurs in the presence of copper(II) bromide, with concomitant formation of a linear trinuclear complex. Surprisingly, an asymmetric dinuclear copper(II) coordination compound without chlorination of the ligand is obtained when the related ligand bis(2-hydroxybenzyl)-1,3-diminopropane (H2bhbdi) reacts with copper(II) chloride. Copyright

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