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Phosphonium, triphenyl(4,4,4-trifluorobutyl)-, bromide is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

189439-48-3

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189439-48-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 189439-48-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,9,4,3 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 189439-48:
(8*1)+(7*8)+(6*9)+(5*4)+(4*3)+(3*9)+(2*4)+(1*8)=193
193 % 10 = 3
So 189439-48-3 is a valid CAS Registry Number.

189439-48-3Downstream Products

189439-48-3Relevant academic research and scientific papers

Rapid access to β-trifluoromethyl-substituted ketones: Harnessing inductive effects in wacker-type oxidations of internal alkenes

Lerch, Michael M.,Morandi, Bill,Wickens, Zachary K.,Grubbs, Robert H.

supporting information, p. 8654 - 8658 (2014/08/18)

We present a practical trifluoromethyl-directed Wacker-type oxidation of internal alkenes that enables rapid access to β-trifluoromethyl-substituted ketones. Allylic trifluoromethyl-substituted alkenes bearing a wide range of functional groups can be oxidized in high yield and regioselectivity. The distance dependence of the regioselectivity was established by systematic variation of the number of methylene units between the double bond and the trifluoromethyl group. The regioselectivity enforced by traditional directing groups could even be reversed by introduction of a competing trifluoromethyl group. Besides being a new powerful synthetic method to prepare fluorinated molecules, this work directly probes the role of inductive effects on nucleopalladation events.

Therapeutic Agents 684

-

Page/Page column 13, (2008/12/04)

Certain 4,5,6,7-tetrahydropyrrolo[3,2-c]pyridin-4-one and 4,5-dihydropyrrolo[3,2-c]pyridin-4-one compounds of formula I, processes for preparing such compounds, their use in the treatment of obesity, psychiatric and neurological disorders, methods for the

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