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2303-89-1

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2303-89-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2303-89-1 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,3,0 and 3 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 2303-89:
(6*2)+(5*3)+(4*0)+(3*3)+(2*8)+(1*9)=61
61 % 10 = 1
So 2303-89-1 is a valid CAS Registry Number.

2303-89-1Relevant articles and documents

Polynuclear Gold [AuI]4, [AuI]8, and Bimetallic [AuI4AgI] Complexes: C?H Functionalization of Carbonyl Compounds and Homogeneous Carbonylation of Amines

Smirnova, Ekaterina S.,Mu?oz Molina, José M.,Johnson, Alice,Bandeira, Nuno A. G.,Bo, Carles,Echavarren, Antonio M.

supporting information, p. 7487 - 7491 (2016/07/06)

The synthesis of tetranuclear gold complexes, a structurally unprecedented octanuclear complex with a planar [AuI8] core, and pentanuclear [AuI4MI] (M=Cu, Ag) complexes is presented. The linear [AuI4] complex undergoes C?H functionalization of carbonyl compounds under mild reaction conditions. In addition, [AuI4AgI] catalyzes the carbonylation of primary amines to form ureas under homogeneous conditions with efficiencies higher than those achieved by gold nanoparticles.

Transfer hydrogenation promoted by N-heterocyclic carbene and water

Kato, Terumasa,Matsuoka, Shin-Ichi,Suzuki, Masato

supporting information, p. 13906 - 13909 (2015/09/07)

N-Heterocyclic carbenes (NHCs) promote the transfer hydrogenation of various activated C=C, C=N, and N=N bonds with water as the proton source. The NHCs act as reducing reagents to be converted into their oxides. A detailed reaction mechanism is proposed on the basis of deuterium-labeling experiments.

Pushing back the limits of hydrosilylation: Unprecedented catalytic reduction of organic ureas to formamidines

Pouessel, Jacky,Jacquet, Olivier,Cantat, Thibault

, p. 3552 - 3556 (2014/01/06)

Pushing back the limits: A novel catalytic transformation has been designed to prepare formamidine derivatives by reduction of substituted ureas with hydrosilanes. Simple iron catalysts based on commercially available iron salts and phosphine ligands prov

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