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4-(3,5-bis(trifluoromethyl)phenyl)dihydrofuran-2(3H)-one is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

1240117-72-9

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1240117-72-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1240117-72-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,0,1,1 and 7 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1240117-72:
(9*1)+(8*2)+(7*4)+(6*0)+(5*1)+(4*1)+(3*7)+(2*7)+(1*2)=99
99 % 10 = 9
So 1240117-72-9 is a valid CAS Registry Number.

1240117-72-9Downstream Products

1240117-72-9Relevant academic research and scientific papers

Synthesis of quaternary carbon centers via hydroformylation

Sun,Frimpong,Tan

, p. 11841 - 11843 (2010)

The application of hydroformylation to the synthesis of quaternary carbon centers is reported. The synthesis of the highly substituted carbon is achieved by applying a catalytic amount of 1. Ligand 1 serves as a catalytic directing group by covalently and reversibly binding to both the substrate and catalyst. The intramolecular nature of the directing group strategy accelerates the hydroformylation reaction such that the reaction is performed at mild temperatures (35-55 °C) and with excellent regioselectivity (b:l > 94:6).

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