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697300-66-6

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697300-66-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 697300-66-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,7,3,0 and 0 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 697300-66:
(8*6)+(7*9)+(6*7)+(5*3)+(4*0)+(3*0)+(2*6)+(1*6)=186
186 % 10 = 6
So 697300-66-6 is a valid CAS Registry Number.

697300-66-6Downstream Products

697300-66-6Relevant articles and documents

Ruthenium-catalyzed olefin metathesis double-bond isomerization sequence

Schmidt, Bernd

, p. 7672 - 7687 (2007/10/03)

A novel ruthenium-catalyzed tandem ring-closing metathesis (RCM) double-bond isomerization reaction is described in this paper. The utility of this method for the efficient syntheses of five-, six-, and seven-membered cyclic enol ethers is demonstrated. It relies on the conversion of a metathesis-active ruthenium carbene species to an isomerization-active ruthenium-hydride species in situ. This conversion is achieved by using various additives. Scope and limitations of the different protocols are discussed, and some mechanistic considerations based on 31P and 1H NMR spectroscopic studies are presented.

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