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113322-93-3

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113322-93-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 113322-93-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,3,3,2 and 2 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 113322-93:
(8*1)+(7*1)+(6*3)+(5*3)+(4*2)+(3*2)+(2*9)+(1*3)=83
83 % 10 = 3
So 113322-93-3 is a valid CAS Registry Number.

113322-93-3Relevant articles and documents

Remarkable activity of the isomerization catalyst [RuCp(PPh 3)2](OTs) in O-allylation of phenol with allyl alcohol

Van Rijn, Jimmy A.,Van Stapele, Esther,Bouwman, Elisabeth,Drent, Eite

, p. 220 - 226 (2010)

It was surprisingly found that the highly active allyl alcohol redox isomerization catalyst [RuCp(PPh3)2](OTs) upon addition of a catalytic amount of a strong acid can change its catalytic action fully to the selective O-allylation of phenols with allyl alcohol. High turnover numbers (75,000 based on phenol; 200,000 based on allyl alcohol) are reached, and the catalyst is very stable in the presence of substrate. Addition of triphenylphosphine to the reaction mixture does not lead to further stabilization of the catalyst; instead, the free phosphine is rapidly allylated, thereby consuming the acid, which deactivates the catalytic system for allylation reactions. This catalyst with monodentate phosphine ligands is superior in both activity and selectivity to similar catalysts with bidentate phosphine ligands. Apart from phenols, also thiophenol can be efficiently allylated to form allyl phenyl sulfide.

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