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26928-23-4

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26928-23-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 26928-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,6,9,2 and 8 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 26928-23:
(7*2)+(6*6)+(5*9)+(4*2)+(3*8)+(2*2)+(1*3)=134
134 % 10 = 4
So 26928-23-4 is a valid CAS Registry Number.

26928-23-4Relevant articles and documents

Stereodivergent hydrodefluorination of: Gem -difluoroalkenes: Selective synthesis of (Z)- and (E)-monofluoroalkenes

Kojima, Ryoto,Kubota, Koji,Ito, Hajime

supporting information, p. 10688 - 10691 (2017/10/06)

We have developed a novel approach for the stereodivergent hydrodefluorination of gem-difluoroalkenes using copper(i) catalysts to obtain stereodefined monofluoroalkenes. Both (Z)- and (E)-terminal monofluoroalkenes were obtained by the hydrodefluorination of gem-difluoroalkenes in the presence of copper(i) catalysts and diboron or hydrosilane, respectively, with high stereoselectivity. DFT calculations were conducted to elucidate the stereoselectivity.

Acceleration of alkenyltrimethylsilane fluorination under mild conditions using ultrasound

Ranjbar-Karimi, Reza

experimental part, p. 768 - 769 (2011/10/08)

Alkenyltrimethylsilanes are selectively fluorodesilated to alkenyl fluoride very readily by reaction with 1-chloromethyl-4-fluoro-1,4-diazoniabicyclo[2,2,2]octane bis-tetrafluoroborate (Selectfluor) and N-fluorobenzensulfonimids at room temperature under

A Novel and Efficient Synthesis of Fluoromethyl Phenyl Sulphone and Its Use as a Fluoromethyl Wittig Equivalent

Inbasekaran, Muthiah,Peet, Norton P.,McCarthy James R.,LeTourneau, Michael E.

, p. 678 - 679 (2007/10/02)

A new synthesis of fluoromethyl phenyl sulphone (2) and the reaction of its conjugate base (3) with carbonyl compounds provides β-fluoro-alcohols (5), which are utilized to prepare terminal vinyl fluorides (8) via α-fluoro-α,β-unsaturated sulphones (6).

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