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2,4-bis(2,4,6-tri-tert-butylphenyl)-2,4-bis[2-methyl-2(3,5-di-tert-butylphenyl)propyl]-1,3-diselenadistannetane is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

172166-23-3

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172166-23-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 172166-23-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,1,6 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 172166-23:
(8*1)+(7*7)+(6*2)+(5*1)+(4*6)+(3*6)+(2*2)+(1*3)=123
123 % 10 = 3
So 172166-23-3 is a valid CAS Registry Number.

172166-23-3Downstream Products

172166-23-3Relevant academic research and scientific papers

Compounds of germanium and tin. XIV. Rearrangement of bis(2,4,6-tri-tert-butylphenyl)stannylene: synthesis and structure of a donor-free alkylarylstannylene-tungsten complex

Weidenbruch, Manfred,Stilter, Artur,Schlaefke, Josephin,Peters, Karl,Schnering, Hans Georg von

, p. 67 - 70 (1995)

Bis (2,4,6-tri-tert-butylphenyl)stannylene, R2Sn (2), rearranges in solution to the sterically less crowded alkylarylstannylene RR'Sn (3), R'=CH2-C(CH3)2-3,5-tBu2C6H3.Treatment of 3 with yields the donor-free tungsten stannylene complex (4).The molecular structure of 4 reveals a three-coordinate tin atom in a strictly planar environment and an acute CSnC angle of 91.5 deg.Trapping reactions of 3 with selenium, 2,3-dimethylbutadiene, and 3,5-di-tert-butyl-ortho-benzoquinone furnish the 1,3-diselenadistannetane and the -cycloaddition products, respectively.Keywords: Tungsten; Stannylene; Cycloaddition; Crystal structure

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