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1158483-15-8

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1158483-15-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1158483-15-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,8,4,8 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1158483-15:
(9*1)+(8*1)+(7*5)+(6*8)+(5*4)+(4*8)+(3*3)+(2*1)+(1*5)=168
168 % 10 = 8
So 1158483-15-8 is a valid CAS Registry Number.

1158483-15-8Relevant articles and documents

Iron-catalyzed regioselective cyclotrimerization of alkynes to benzenes

Gawali, Suhas Shahaji,Gunanathan, Chidambaram

, p. 139 - 149 (2019/01/03)

We report the synthesis and characterization of simple di(aminomethyl)pyridine ligated iron-pincer complexes, which catalyzed the regioselective [2+2+2] cyclotrimerization of terminal aryl and alkyl alkynes to provide the 1,2,4-trisubstituted benzene molecules. Interestingly, internal alkynes also exhibited similar cyclization and resulted in hexa-substituted benzene compounds. Increased steric bulk on pincer ligands diminished the selectivity for cycloaddition. Cyclotrimerization reactions proceeded at room temperature upon activation of catalyst by a Grignard reagent. EPR studies indicated thermally induced spin crossover effect in catalyst.

Synthesis of enantioenriched secondary and tertiary alcohols via tricarbonylchromium(0) complexes of benzyl allyl ethers

Abecassis, Keren,Gibson, Susan E.,Martin-Fontecha, Mar

supporting information; experimental part, p. 1606 - 1611 (2009/08/09)

Allyl ethers of the tricarbonylchromium(0) complexes of benzylic alcohols undergo highly enanlioselective benzylic funclionalisation using a chiral base/electrophilic quench sequence; the allyl group is readily removed to reveal a hydroxy group as demonst

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