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(Z)-2-acetyl-5,5-diphenyl-2,4-pentadienoic acid methyl ester is a complex organic compound with the molecular formula C18H16O4. It is a derivative of pentadienoic acid, featuring a methyl ester group, two phenyl rings, and a Z-configured double bond between the second and third carbon atoms. This molecule is characterized by its conjugated diene system, which contributes to its chemical reactivity and potential applications in various fields, such as pharmaceuticals and materials science. The compound's structure allows for the formation of stable resonance structures, enhancing its stability and reactivity. It is synthesized through a series of chemical reactions, often involving the condensation of acetic acid with a suitable diene and phenyl compounds, followed by esterification with methanol. Due to its unique structure and properties, (Z)-2-acetyl-5,5-diphenyl-2,4-pentadienoic acid methyl ester is a subject of interest in organic chemistry research and development.

57880-90-7

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57880-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 57880-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,7,8,8 and 0 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 57880-90:
(7*5)+(6*7)+(5*8)+(4*8)+(3*0)+(2*9)+(1*0)=167
167 % 10 = 7
So 57880-90-7 is a valid CAS Registry Number.

57880-90-7Relevant academic research and scientific papers

Efficient access to conjugated dienones and diene-diones from propargylic alcohols and enolizable ketones: A tandem isomerization/condensation process catalyzed by the sixteen-electron allyl-ruthenium(II) complex [Ru(η3-2-C3H4Me)(CO)(dppf)] [SbF 6]

Cadierno, Victorio,Diez, Josefina,Garcia-Garrido, Sergio E.,Gimeno, Jose,Nebra, Noel

, p. 2125 - 2132 (2007/10/03)

A large variety of conjugated dienones R1R2C=CHCH= C(R3)C(=O)R4 and diene-diones R1R 2C=CHCH=C{C(=O)R3}C(=O)R4 have been synthesized in high yields by reacting terminal propargylic alcohols HO=CCR 1R2COH) with enolizable ketones R3CH 2C(=O)R4 and β-dicarbonyl compounds R 3C(=O)CH2C(=O)R4, respectively. The process, which is catalyzed by the 16e- (η3-allyl)- ruthenium(II) complex [Ru(η3-2-C3H4Me)(CO) (dppf)] [SbF6] associated with CF3CO2H, involves the initial isomerization of the propargylic alcohol into the corresponding α,β-unsaturated aldehyde R1R 2C=CHCHO (Meyer-Schuster rearrangement) and subsequent aldol-type condensation.

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