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174357-47-2

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174357-47-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 174357-47-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,4,3,5 and 7 respectively; the second part has 2 digits, 4 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 174357-47:
(8*1)+(7*7)+(6*4)+(5*3)+(4*5)+(3*7)+(2*4)+(1*7)=152
152 % 10 = 2
So 174357-47-2 is a valid CAS Registry Number.

174357-47-2Relevant articles and documents

Mechanism of one oxygen atom transfer from oxo (salen) manganese(V) complex to olefins

Hamada,Fukuda,Imanishi,Katsuki

, p. 515 - 530 (1996)

In the Mn-salen catalyzed asymmetric epoxidation of some olefins, non-linear relationship between reaction temperature and entioselectivity was observed. For example, the epoxidation of 1,3-cycloalkadiene with complex 3a as a catalyst showed the maximum enantioselectivity at 0°C. It was also found that the electronic nature of the aromatic substituent in the salen ligand affects enantioselectivity but its effect does not necessarily correspond to the Hammet's σ-values. Based on these new experimental results, we propose a reaction mechanism which proceeds through metallaoxetane intermediate, for one oxygen atom transfer reaction from oxo (salen) manganese(V) complex to olefins.

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