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2,4-Pentadienoic acid, 3-methyl-5-phenyl-, methyl ester is a complex organic compound with the chemical formula C12H12O2. It is a derivative of pentadienoic acid, featuring a methyl group at the 3rd carbon and a phenyl group at the 5th carbon. The molecule is characterized by its conjugated diene system, which consists of two carbon-carbon double bonds separated by a single bond, and an additional double bond at the 2nd and 4th carbon positions. The methyl ester functional group is present, indicating that the carboxylic acid group has been esterified with methanol. 2,4-Pentadienoic acid, 3-methyl-5-phenyl-, methyl ester is known for its potential applications in the synthesis of various pharmaceuticals and other organic compounds due to its unique structure and reactivity. It is important to note that handling and usage should be done with caution, as with any organic compound, to ensure safety and proper disposal.

7643-11-0

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7643-11-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 7643-11-0 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 7,6,4 and 3 respectively; the second part has 2 digits, 1 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 7643-11:
(6*7)+(5*6)+(4*4)+(3*3)+(2*1)+(1*1)=100
100 % 10 = 0
So 7643-11-0 is a valid CAS Registry Number.

7643-11-0Downstream Products

7643-11-0Relevant academic research and scientific papers

Zinc metal-promoted stereoselective olefination of aldehydes and ketones with gem-dichloro compounds in the presence of chlorotrimethylsilane

Ishino, Yoshio,Mihara, Masatoshi,Nishihama, Shintaro,Nishiguchi, Ikuzou

, p. 2669 - 2672 (1998)

A combination of zinc metal and a catalytic amount of chlorotrimethylsilane has been found to promote the transformation of various aldehydes and ketones with gem-dichloro compounds, such as benzylidene dichloride (1a) and methyl dichloroacetate (1b), to the corresponding cross- coupling products, such as substituted styrene 3 and methyl acrylates 4 derivatives, under mild reaction conditions in THF. The E-isomer of the corresponding alkenes was obtained stereoselectively in good-to-excellent yields. The reaction serves as a very convenient one-pot procedure.

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