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α,α-Diiodotoluaene, also known as 2,4-diiodotoluene, is an organic compound with the chemical formula C7H6I2. It is a colorless to pale yellow crystalline solid that is insoluble in water but soluble in organic solvents. α,α-diiodotoluene is a derivative of toluene, where two hydrogen atoms on the benzene ring are replaced by iodine atoms. α,α-Diiodotoluaene is used as a chemical intermediate in the synthesis of various pharmaceuticals, agrochemicals, and other organic compounds. It is also employed in the production of dyes and pigments. Due to its reactivity and the presence of two iodine atoms, it can undergo a variety of chemical reactions, such as substitution, addition, and elimination reactions.

28000-59-1

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28000-59-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 28000-59-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,0,0 and 0 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 28000-59:
(7*2)+(6*8)+(5*0)+(4*0)+(3*0)+(2*5)+(1*9)=81
81 % 10 = 1
So 28000-59-1 is a valid CAS Registry Number.

28000-59-1Relevant academic research and scientific papers

Reactions of Carbonyl Compounds with Tervalent Phosphorus Reagents. Part 12. Aromatic Aldehydes with Bromophosphines and Phosphorus Tri-iodide

Michie, Jacqui,Miller, J. Allen,Nunn, M. John,Stewart, Denis

, p. 1744 - 1749 (1981)

The reactions of aromatic aldehydes with phosphorus tribromide (4a), with phosphorus tri-iodide (3), and with bromodiphenylphosphine (4b) have been investigated in detail.Both the trihalides react as electrophiles to produce high yields of the appropriate benzylidene dihalide.Thereafter, these reactions differ from each other and from that of phosphorus trichloride.Bromodiphenylphosphine (4b) reacts in biphilic fashion to produce (α-bromobenzyl)diphenylphosphine oxide (15).This oxide is readily dehalogenated under the reaction conditions and in model studies.Cyanodiphenylphosphine is unreactive towards benzaldehyde.These halogenophosphine reactions confirm the generality of the trends first observed with chlorophosphines and that the nature of the other two ligands on phosphorus determines the mode of reaction with aldehydes.

Electrocatalytic Reduction of Benzal Chloride by Cobalt(I)(salen). A Mechanistic Investigation

Fry, Albert J.,Sirisoma, U. Nilantha

, p. 4919 - 4924 (2007/10/02)

Benzal chloride (6) is converted to a mixture consisting primarily of cis- and trans-stilbene (12) by the action of electrochemically-generated cobalt(I)(salen)(1-) (5).The process involves a saquence involving electrocatalytic conversion of benzal chloride to a mixture of the stereoisomeric 1,2-dichloro-1,2-diphenylethanes (10), followed by electrocatalyzed conversion of the latter to 12.Voltammograms of Co(II)(salen) (4) in the presence of varying amounts of 6 exhibit peaks both before and after that due to reduction of 4.The voltammetric data and other chemical evidence is interpreted in light of previously-suggested mechanism for stilbene formation.

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