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40564-60-1

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40564-60-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40564-60-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,5,6 and 4 respectively; the second part has 2 digits, 6 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 40564-60:
(7*4)+(6*0)+(5*5)+(4*6)+(3*4)+(2*6)+(1*0)=101
101 % 10 = 1
So 40564-60-1 is a valid CAS Registry Number.

40564-60-1Relevant articles and documents

Activation of the hypervalent fluoroiodane reagent by hydrogen bonding to hexafluoroisopropanol

Minhas, Harsimran K.,Riley, William,Stuart, Alison M.,Urbonaite, Martyna

supporting information, p. 7170 - 7173 (2018/10/24)

Hexafluoroisopropan-2-ol (HFIP) is an excellent solvent for promoting fluorinations with the hypervalent fluoroiodane reagent 1 and crucially, it removes the need for transition metals or TREAT-HF activators. The fluoroiodane reagent 1 was used in HFIP to monofluorinate 1,3-ketoesters and to fluorocyclise unsaturated carboxylic acids in excellent yields under mild reaction conditions.

Intramolecular fluorocyclizations of unsaturated carboxylic acids with a stable hypervalent fluoroiodane reagent

Geary, Gemma C.,Hope, Eric G.,Stuart, Alison M.

supporting information, p. 14911 - 14914 (2016/02/05)

A new class of fluorinated lactones was prepared by the intramolecular fluorocyclizations of unsaturated carboxylic acids by using the stable fluoroiodane reagent in combination with AgBF4. This unique reaction incorporates a cyclization, an aryl migration, and a fluorination all in one step. The fluoroiodane reagent, prepared easily from fluoride, can also be used without a metal catalyst to give moderate yields within just 1 hour, thus demonstrating that it is a suitable reagent for developing new 18F-labelled radiotracers for PET imaging. All in one: A new class of lactones containing a tertiary alkyl fluoride was prepared in high yields by using a stable fluoroiodane reagent. This unique reaction incorporates a cyclization, an aryl migration, and a fluorination all in one step.

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