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2-bromo-1-phenylethanoyltriphenylphosphonium bromide is a complex organic compound with the chemical formula C26H22Br2P+.Br-. It is a derivative of triphenylphosphonium bromide, featuring a 2-bromo-1-phenylethanoyl group attached to the phosphorus atom. 2-bromo-1-phenylethanoyltriphenylphosphonium bromide is characterized by its unique structure, which includes a phosphonium cation with three phenyl rings and a bromo-phenyl-acetyl group, and a bromide anion. It is often used in organic synthesis and as a reagent in various chemical reactions due to its ability to act as a phase-transfer catalyst or a precursor to other compounds. The compound's properties, such as its solubility and reactivity, make it a valuable tool in the field of chemistry, particularly in the synthesis of complex organic molecules and the study of reaction mechanisms.

3040-84-4

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3040-84-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 3040-84-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 3,0,4 and 0 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 3040-84:
(6*3)+(5*0)+(4*4)+(3*0)+(2*8)+(1*4)=54
54 % 10 = 4
So 3040-84-4 is a valid CAS Registry Number.

3040-84-4Relevant academic research and scientific papers

Domino reaction sequences leading to the formation of 2:2 adducts between acenaphthenequinone and acetophenone

Jacob, Jomon P.,Kunjachan, Christy,Sajitha,Thumpakara, Roshini K.,Rakesh,Nidhisha,Unnikrishnan, Perupparampil A.,Prathapan, Sreedharan

, p. 127 - 138 (2015/02/19)

A Michael-aldol domino reaction sequence of acenaphthenequinone with acetophenone in the presence of KOH in methanol solvent leading to the formation of three different 2:2 adducts arising through three distinct reaction sequences is described. Similar sequences leading to a highly substituted furan derivative were observed in the reaction between phenanthrenequinone and acetophenone.

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