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(E)-5,5-dimethyl-1,4-bis(triphenylphosphonio)hex-3-en-1-yne ditriflate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139112-01-9

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139112-01-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139112-01-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,1,1 and 2 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 139112-01:
(8*1)+(7*3)+(6*9)+(5*1)+(4*1)+(3*2)+(2*0)+(1*1)=99
99 % 10 = 9
So 139112-01-9 is a valid CAS Registry Number.

139112-01-9Downstream Products

139112-01-9Relevant academic research and scientific papers

Novel classes of alkynyliodonium salts and their applications: The synthesis of substituted 1,3-diynyliodonium triflates, R-C≡C-C≡C-I+-Ph -OTf, and their reaction with triphenylphosphine

Stang,Ullmann

, p. 1073 - 1076 (2007/10/02)

Reaction of butadiynyltrialkyltins 1 with cyano(phenyl)iodonium triflates 2 yields 1,3-diynyl(phenyl)iodonium triflates 3, a hitherto unknown class of functionalized diacetylenes. Additionally, the reaction of 3 with triphenylphosphine is described.

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