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611-61-0

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611-61-0 Usage

Uses

2,4''-Dimethylbiphenyl is used in preparation of para-substituted aryl compounds.

Check Digit Verification of cas no

The CAS Registry Mumber 611-61-0 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 6,1 and 1 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 611-61:
(5*6)+(4*1)+(3*1)+(2*6)+(1*1)=50
50 % 10 = 0
So 611-61-0 is a valid CAS Registry Number.
InChI:InChI=1/C14H14/c1-11-8-9-14(12(2)10-11)13-6-4-3-5-7-13/h3-10H,1-2H3

611-61-0Relevant articles and documents

Preparation of metal-immobilized methacrylate-based monolithic columns for flow-through cross-coupling reactions

Sabarudin, Akhmad,Shu, Shin,Umemura, Tomonari,Yamamoto, Kazuhiro

, (2021/12/17)

With the aim of developing efficient flow-through microreactors for high-throughput organic synthesis, in this work, microreactors were fabricated by chemically immobilizing palladium-, nickel-, iron-, and copper-based catalysts onto ligand-modified poly(glycidyl methacrylate-co-ethylene dimethacrylate) [poly(GMA-co-EDMA)] monoliths, which were prepared inside a silicosteel tubing (10 cm long with an inner diameter of 1.0 mm) and modified with several ligands including 5-amino-1,10-phenanthroline (APHEN), iminodiacetic acid (IDA), and iminodimethyl phosphonic acid (IDP). The performance of the resulting microreactors in Suzuki?Miyaura cross-coupling reactions was evaluated, finding that the poly(GMA-co-EDMA) monolith chemically modified with 5-amino-1,10-phenanthroline as a binding site for the palladium catalyst provided an excellent flow-through performance, enabling highly efficient and rapid reactions with high product yields. Moreover, this monolithic microreactor maintained its good activity and efficiency during prolonged use.

OXIDATION OF METHYL-SUBSTITUTED BIPHENYL COMPOUNDS

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Paragraph 0064-0066, (2017/11/04)

A process for oxidizing methyl-substituted biphenyl compounds comprises contacting a mixture comprising isomers of at least one methyl-substituted biphenyl compound with a source of oxygen, wherein the mixture comprises at least 20 wt% of isomer(s) having a methyl group at a 2-position or a 3-position on at least one benzene ring and at least 50 wt% of isomer(s) having a methyl group at a 4-position on at least one benzene ring, wherein said percentages are based on the total weight of the at least one methylbiphenyl compound in the mixture.

A fluorous ethylenediamine promoted direct C-H arylation of unactivated arenes with aryl halides

Zhu, Yi-Wei,Shi, Yi-Xin

supporting information, p. 10 - 13 (2016/07/06)

A novel and recyclable fluorous ethylenediamine was prepared. Together with potassium tert-butoxide, the fluorous ethylenediamine showed a good activity in promoting the coupling of aryl halides with benzene derivatives without the aid of transition-metal catalysts. Furthermore, a chain homolytic aromatic substitution mechanism was proposed in this paper.

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