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161497-69-4

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161497-69-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 161497-69-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,4,9 and 7 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 161497-69:
(8*1)+(7*6)+(6*1)+(5*4)+(4*9)+(3*7)+(2*6)+(1*9)=154
154 % 10 = 4
So 161497-69-4 is a valid CAS Registry Number.

161497-69-4Downstream Products

161497-69-4Relevant articles and documents

Tertiary α-Silyl Alcohols by Diastereoselective Coupling of 1,3-Dienes and Acylsilanes Initiated by Enantioselective Copper-Catalyzed Borylation

Feng, Jian-Jun,Oestreich, Martin

supporting information, p. 8211 - 8215 (2019/05/27)

An efficient synthesis of functionalized tertiary α-silyl alcohols by an enantio- and diastereoselective copper-catalyzed three-component coupling of 1,3-dienes, bis(pinacolato)diboron, and acylsilanes is reported. The reaction proceeds well with different 1,3-dienes and a broad range of aryl- as well as alkenyl- but also alkyl-substituted acylsilanes. The target compounds are formed with high regio-, diastereo-, and enantioselectivity (up to 99 % ee and d.r. >20:1) and are highly versatile synthetic building blocks.

Synthesis of acylsilanes by palladium-catalyzed cross-coupling reaction of thiol esters and silylzinc chlorides

Azuma, Hiroki,Okano, Kentaro,Tokuyama, Hidetoshi

supporting information; experimental part, p. 959 - 961 (2011/12/05)

An acylsilane synthesis by a Pd-catalyzed cross-coupling reaction of thiol esters and silylzinc chlorides was developed. S-Phenyl thiol esters with a variety of functional groups were converted to corresponding acylsilanes.

Newly designed acylsilanes as versatile tools in organic synthesis

Bonini, Bianca F.,Comes-Franchini, Mauro,Fochi, Mariafrancesca,Mazzanti, Germana,Ricci, Alfredo

, p. 181 - 189 (2007/10/03)

Structural variations in acylsilane molecules allow a number of new selective synthetic processes to be performed which lead to sulfur-containing heterocycles, highly functionalized and unsaturated polycarbonyl derivatives, polyenes, and β- and γ-aminoalcohols. The synthesis of these compounds, most of them not easily accessible through conventional routes, takes advantage of the site-selective reactions occurring at the C-Si bonds, of the increased stability of acylsilanes with respect to that of the corresponding aldehydes and of the high diastereofacial selectivity introduced by the SiR3 group. Herein we report the different synthetic strategies leading to the synthesis of several functionalized acylsilanes and their synthetic applications. The use of new selective polymetallic reagents for the nucleophilic silylation will be presented as well.

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