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dimethyl 2-(3-oxo-1,3-diphenylpropyl)-2-(4-pentyn-1-yl)malonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1246285-53-9

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1246285-53-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1246285-53-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,6,2,8 and 5 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1246285-53:
(9*1)+(8*2)+(7*4)+(6*6)+(5*2)+(4*8)+(3*5)+(2*5)+(1*3)=159
159 % 10 = 9
So 1246285-53-9 is a valid CAS Registry Number.

1246285-53-9Relevant academic research and scientific papers

Construction of methylenecycloheptane frameworks through 7-exo-dig cyclization of acetylenic silyl enol ethers catalyzed by triethynylphosphine- gold complex

Ito, Hideto,Ohmiya, Hirohisa,Sawamura, Masaya

supporting information; experimental part, p. 4380 - 4383 (2010/11/17)

Figure Presented. A cationic gold(I) complex bearing a semihollow-shaped triethynylphosphine ligand efficiently catalyzed the 7-exo-dig cyclization of silyl enol ethers with an ω-alkynic substituent. The reaction gave various methylenecycloheptane derivatives with an exo- or endocyclic carbonyl group. The protocol was applicable not only to cyclic substrates that form bicyclic frameworks but also to acyclic ones with or without substituents in a carbon chain tether.

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