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51175-90-7

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51175-90-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 51175-90-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,1,7 and 5 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 51175-90:
(7*5)+(6*1)+(5*1)+(4*7)+(3*5)+(2*9)+(1*0)=107
107 % 10 = 7
So 51175-90-7 is a valid CAS Registry Number.

51175-90-7Downstream Products

51175-90-7Relevant academic research and scientific papers

Direct copper-free domino conjugate addition-cycloallylation using organozinc reagents

Komanduri, Venukrishnan,Pedraza, Fernando,Krische, Michael J.

supporting information; experimental part, p. 1569 - 1576 (2009/07/30)

The Direct Approach: Enones possessing appendant allylic carbonates react directly with diorganozinc reagents in the presence of zinc diiodide [ZnI 2] to provide 5- and 6-membered ring products of tandem or domino conjugate addition-cycloallylation in good to excellent yield. In a related copper-free transformation, allylic carbonates are found to engage in direct allylic substitution with diorganozinc reagents.

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