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120196-16-9

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120196-16-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 120196-16-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,0,1,9 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 120196-16:
(8*1)+(7*2)+(6*0)+(5*1)+(4*9)+(3*6)+(2*1)+(1*6)=89
89 % 10 = 9
So 120196-16-9 is a valid CAS Registry Number.

120196-16-9Relevant articles and documents

The Regiochemistry and Stereochemistry of the Hydroboration of Allylsilanes

Fleming, Ian,Lawrence, Nicholas J.

, p. 3309 - 3326 (2007/10/02)

The hydroboration of a wide range of allylsilanes 3 and 5-21 is found to be generally regioselective for attachment of the boron to C-3 and hydrogen to C-2 of the allyl unit, and to be generally stereoselective in the sense 1, with attachment of the boron

STEREOCHEMISTRY IN THE HYDROBORATION OF ALLYLSILANES

Fleming, Ian,Lawrence, Nicholas, J.

, p. 2077 - 2080 (2007/10/02)

The hydroboration of allylsilanes is highly stereoselective in the sense (3 -> 4 and 6->7), especially with 9-BBN as the hydroborating reagent.The products can be converted stereospecifically into 1,3-diol derivatives (5 and 8).

Diastereoselectivity in the Alkylation of Enolates having an Adjacent Silyl Group

Bernhard, Werner,Fleming, Ian,Waterson, David

, p. 28 - 29 (2007/10/02)

The methylation of open-chain enolates having an adjacent silyl group is highly diastereoselective in favour of the isomer (2) having the silyl and methyl groups trans on the carbon chain; protonation of the corresponding enolate, already carrying the methyl group, gives the other diastereoisomer (3), but with somewhat lower diastereoselectivity.

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