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109057-52-5

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109057-52-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109057-52-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,0,5 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 109057-52:
(8*1)+(7*0)+(6*9)+(5*0)+(4*5)+(3*7)+(2*5)+(1*2)=115
115 % 10 = 5
So 109057-52-5 is a valid CAS Registry Number.

109057-52-5Relevant articles and documents

Acylation of diselenides and disulfides with N-acylbenzotriazoles promoted by SmI2

Tu, Ya Wei,Zhou, Lie Jin,Lv, Xin,Wang, Xiao Xia

, p. 435 - 439 (2014/05/06)

The acylation of diselenides or disulfides with N-acylbenzotriazoles mediated by SmI2 has been achieved successfully without the presence of HMPA, and the corresponding selenolesters or thioesters have been prepared in good yields.

Palladium-catalyzed selenoacylation of allenes leading to the regioselective formation of functionalized allyl selenides

Toyofuku, Masashi,Murase, Erika,Fujiwara, Shin-ichi,Shin-ike, Tsutomu,Kuniyasu, Hitoshi,Kambe, Nobuaki

supporting information; experimental part, p. 3957 - 3960 (2009/05/30)

(Chemical Equation Presented) Palladium-catalyzed regio- and stereoselective selenoacylation of allenes with selenol esters proceeded to produce functionalized allyl selenides with the acyl moiety at the inner carbon and the SePh group at the terminal car

A regioselective Aluminium Chloride-catalyzed Acylation of Allylic Selenides via α-Silyl Intermediates

Hiroi, Kunio,Sato, Hiroyasu

, p. 1723 - 1726 (2007/10/02)

The aluminium chloride-catalyzed acylation of α-silylallylic selenides with acid chlorides at -78 deg C produced γ-acylated vinylic selenides regioselectively. α-Silylallylic selenides in some cases underwent shifts of the selenenyl groups by the catalysis with aluminium chloride, affording γ-silylallylic selenides.This regioselective acylation of allylic selenides provides a new route to dihydrojasmone.

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