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106731-04-8

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106731-04-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 106731-04-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,6,7,3 and 1 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 106731-04:
(8*1)+(7*0)+(6*6)+(5*7)+(4*3)+(3*1)+(2*0)+(1*4)=98
98 % 10 = 8
So 106731-04-8 is a valid CAS Registry Number.

106731-04-8Downstream Products

106731-04-8Relevant articles and documents

Cobalt-Catalyzed Formation of Functionalized Diarylmethanes from Benzylmesylates and Aryl Halides

Reddy, Bhoomireddy Rajendra Prasad,Chowdhury, Sushobhan,Auffrant, Audrey,Gosmini, Corinne

, p. 3026 - 3029 (2018/08/24)

A simple cobalt-catalyzed reductive coupling protocol allowing the synthesis of functionalized diarylmethanes from benzyl mesylate is described. The possibility to directly use the benzyl alcohol as a result of a two-step reaction is also presented. This method tolerates a variety of functional groups. A benzyl radical is likely involved. (Figure presented.).

Benzylation of arenes with benzyl ethers promoted by the in situ prepared superacid BF3-H2O

Li, Yu,Xiong, Yan,Li, Xueming,Ling, Xuege,Huang, Ruofeng,Zhang, Xiaohui,Yang, Jianchun

, p. 2976 - 2981 (2014/06/10)

An efficient and environmentally friendly benzylation of arenes with benzyl ethers as benzyl donors using BF3-Et2O to generate in situ the superacid BF3-H2O as an efficient promotor has been described. A wide variety of functional groups have been investigated and found to be compatible to give the desired diarylmethanes in yields of up to 99%. The crucial role of the moisture content in this transformation has been demonstrated by detailed investigations. This journal is the Partner Organisations 2014.

ARYLALKYLATION OF 4-tert-BUTYLTOLUENE WITH SUBSTITUTED BENZYL CHLORIDES

Pozdnyakovich, Yu. V.,Savyak, R. P.,Shein, S. M.

, p. 522 - 526 (2007/10/02)

The reaction of 4-alkylbenzyl chlorides with 4-tert-butyltoluene in the presence of titanium tetrachloride and ferric chloride leads to the formation of 2-methyl-4'-alkyl-5-tert-butyldiphenylmethanes.The arylalkylation of 4-tert-butyltoluene with 2- and 4-chlorobenzyl chlorides, catalyzed by titanium tetrachloride, leads to the formation of mixtures of 2-methyl-5-tert-butyldiphenylmethane, 2-tert-butyl-5-methyldiphenylmethane, and isomeric methyldiphenylmethanes containing a chloride atom in the benzyl fragment.The products of the reaction catalyzed by ferric chloride do not contain 2-tert-butyl-5-methylchlorodiphenylmethanes.The reacti on of 4-nitrobenzyl chloride with 4-tert-butyltoluene in the presence of ferric chloride leads to the formation of a mixture of 2-methyl-4'-nitro-5-tert-butyldiphenylmethane and isomeric methylnitrodiphenylmethanes.Under the influence of AlCl3-CH3NO2 in benzene 2,4'-dimethyl-5-tert-butyldiphenylmethane eliminates both the 4-methylbenzyl group and the tert-butyl group.Under analogous conditions 2-methyl-5-tert-butyldiphenylmethanes containing a chlorine atom or a nitro group in the benzyl fragment are dealkylated with the elimination of only the tert-butyl group.

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