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131196-51-5

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131196-51-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 131196-51-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,1,9 and 6 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 131196-51:
(8*1)+(7*3)+(6*1)+(5*1)+(4*9)+(3*6)+(2*5)+(1*1)=105
105 % 10 = 5
So 131196-51-5 is a valid CAS Registry Number.

131196-51-5Downstream Products

131196-51-5Relevant articles and documents

The Addition of γ-(Trimethylsilyl)allylboronates to Imines

Wuts, Peter G. M.,Jung, Yong-Woon

, p. 365 - 372 (2007/10/02)

The addition of γ-(trimethylsilyl)allylboronates to imines is described and compared with the addition of simple allylboronates to imines.The addition of γ-(trimethylsilyl)allylboronates is found to be more efficient than the addition of simple allylboronates to imines.The stereoselectivity is dependant upon the nature of the imine; imines derived from aromatic aldehydes give anti products and imines derived from aliphatic aldehydes give syn products.Proof of stereochemistry was established by conversion of the anti and syn derivatives to their respective Z- and E-dienes by a methylation/E-2 elimination process.With α-alkoxy aldehydes the reaction proceeds with excellent selectivity giving the product of Felkin-Ahn addition.

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