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959032-99-6

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959032-99-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 959032-99-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,9,0,3 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 959032-99:
(8*9)+(7*5)+(6*9)+(5*0)+(4*3)+(3*2)+(2*9)+(1*9)=206
206 % 10 = 6
So 959032-99-6 is a valid CAS Registry Number.

959032-99-6Relevant articles and documents

Synthesis of α-Chiral Ketones and Chiral Alkanes Using Radical Polar Crossover Reactions of Vinyl Boron Ate Complexes

Gerleve, Carolin,Kischkewitz, Marvin,Studer, Armido

supporting information, p. 2441 - 2444 (2018/01/27)

Vinyl boron ate complexes of enantioenriched secondary alkyl pinacolboronic esters undergo stereospecific radical-induced 1,2-migration in radical polar crossover reactions. In this three-component process various commercially available alkyl iodides act as radical precursors and light is used for chain initiation. Subsequent oxidation and protodeborylation leads to valuable α-chiral ketones and chiral alkanes, respectively, with excellent enantiopurity.

Ate complexes of secondary boronic esters as chiral organometallic-type nucleophiles for asymmetric synthesis

Larouche-Gauthier, Robin,Elford, Tim G.,Aggarwal, Varinder K.

supporting information; experimental part, p. 16794 - 16797 (2011/12/04)

The addition of an aryllithium reagent to a secondary boronic ester leads to an intermediate boron-ate complex that behaves as a chiral nucleophile, reacting with a broad range of electrophiles with inversion of stereochemistry. Depending on the electrophile, the C-B bond can be converted into C-I, C-Br, C-Cl, C-N, C-O, and C-C, all with very high levels of stereocontrol. This discovery now adds a new, readily available, configurationally stable, chiral organometallic-type reagent to the arsenal of methods for use in asymmetric organic synthesis.

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