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1138816-10-0

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1138816-10-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1138816-10-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,8,8,1 and 6 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1138816-10:
(9*1)+(8*1)+(7*3)+(6*8)+(5*8)+(4*1)+(3*6)+(2*1)+(1*0)=150
150 % 10 = 0
So 1138816-10-0 is a valid CAS Registry Number.

1138816-10-0Downstream Products

1138816-10-0Relevant articles and documents

A sterically congested aryltrimethylstannane - Synthesis, reactivity, transmetalation and CH-π interaction

Mehring, Michael,Nolde, Christof,Schürmann, Markus

, p. 745 - 752 (2009/05/30)

The synthesis of a novel sterically congested tetraorganotin compound, (4-tert-butyl-2,6-dimesitylphenyl)trimethylstannane (1), is reported and its reactivity with special focus on transmetalation studied. The reaction of compound 1 with reagents such as HgCl2, BiCl3 and HOTf gave (4-tert-butyl-2,6-dimesitylphenyl)dimethyltin chloride (2) and (4-tert-butyl-2,6-dimesitylphenyl)dimethyltin triflate (3), respectively, as a result of selective tin-methyl bond cleavage. Less bulky aryltrimethyltin derivatives react with BiCl3 to give both tin-methyl and tin-aryl bond cleavage. Hydrolysis of compound 3 proceeds slowly to give bis-(4-tert-butyl-2,6-dimesitylphenyl)dimethyl stannoxane (5) via the intermediate (4-tert-butyl-2,6-dimesitylphenyl)dimethyltin hydroxide (4). All terphenyldimethyltin derivatives that were characterized by single crystal X-ray diffraction analysis show C-H?π interactions. Based on these results, the optimum C-H?π distance (C?centroidaryl distance) is suggested to be in the range 3.4 and 3.5 A?.

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