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56679-15-3

1,2,3,4,5,6-Hexa(pyridin-2-yl)benzene (2-HPB) is a propeller-shaped ligand with six pyridyl groups that exhibits versatile coordination behavior with copper ions, forming both mononuclear and dinuclear complexes as well as coordination polymers. Its fluxional motion in Cu(I) complexes allows dynamic metal hopping, while its coordination geometry with Cu(II) is influenced by solvent conditions and hydrogen bonding, leading to distinct conformations such as (A,B)(C,D)-trans and (A,B)(D,E)-trans. The ligand's adaptability in binding modes highlights its utility in constructing structurally diverse metal-organic frameworks.

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  • 56679-15-3 Structure

  • Basic information

    1. Product Name: 1,2,3,4,5,6-hexa(pyridin-2-yl)benzene
    2. Synonyms: 1,2,3,4,5,6-hexa(pyridin-2-yl)benzene
    3. CAS NO:56679-15-3
    4. Molecular Formula:
    5. Molecular Weight: 540.627
    6. EINECS: N/A
    7. Product Categories: N/A
    8. Mol File: 56679-15-3.mol

  • Chemical Properties

    1. Melting Point: N/A
    2. Boiling Point: N/A
    3. Flash Point: N/A
    4. Appearance: N/A
    5. Density: N/A
    6. Refractive Index: N/A
    7. Storage Temp.: N/A
    8. Solubility: N/A
    9. CAS DataBase Reference: 1,2,3,4,5,6-hexa(pyridin-2-yl)benzene(CAS DataBase Reference)
    10. NIST Chemistry Reference: 1,2,3,4,5,6-hexa(pyridin-2-yl)benzene(56679-15-3)
    11. EPA Substance Registry System: 1,2,3,4,5,6-hexa(pyridin-2-yl)benzene(56679-15-3)

  • Safety Data

    1. Hazard Codes: N/A
    2. Statements: N/A
    3. Safety Statements: N/A
    4. WGK Germany:
    5. RTECS:
    6. HazardClass: N/A
    7. PackingGroup: N/A
    8. Hazardous Substances Data: 56679-15-3(Hazardous Substances Data)

56679-15-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 56679-15-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,6,7 and 9 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 56679-15:
(7*5)+(6*6)+(5*6)+(4*7)+(3*9)+(2*1)+(1*5)=163
163 % 10 = 3
So 56679-15-3 is a valid CAS Registry Number.

56679-15-3Downstream Products

56679-15-3Relevant articles and documents

Fluxional motion in a dinuclear copper(i) complex with a propeller-type ligand: metal hopping on both sides

Kwon, Hyunchul,Lee, Eunsung

, p. 17206 - 17210 (2018)

The first study of fluxional motion in [Cu2(2-HPB)(MeCN)2Cl2] (1,2-HPB = hexa(2-pyridyl)benzene) is presented. For detailed examination of the fluxional motion mechanism, a monofluorinated derivative of the ligand (MFHPB)

Static and dynamic coordination behaviours of copper(i) ions in hexa(2-pyridyl)benzene ligand systems

Kwon, Hyunchul,Lee, Eunsung

, p. 8448 - 8455 (2018)

Two hexaarylbenzenes having six pyridine substituents (LH and LM) were prepared and six corresponding coordination complexes with copper(i) chloride were synthesized. Monomeric complexes (1, 2a and 2b) and 1D coordination polymers (3

Coordination preference of hexa(2-pyridyl)benzene with copper(ii) directed by hydrogen bonding

Kwon, Hyunchul,Lee, Eunsung

, p. 5233 - 5240 (2018)

A study of the coordination chemistry of the hexa(2-pyridyl)benzene (2-HPB) ligand with copper(ii) ions is presented. The 2-HPB ligand featuring six pyridine moieties can bind to a metal center in a number of different ways. Herein, we discuss dicopper(ii) complexes of 2-HPB that vary in coordination geometry. Thus, the four complexes obtained (1, 2, 3, and 4) adopt two different conformations, “(A,B)(C,D)-trans” (in 1 and 4) and “(A,B)(D,E)-trans” (in 2 and 3). The structure of the complex strongly depends on the solvent used (water, ethanol, and dimethylformamide (DMF)). In an aqueous solution, the formation of complexes 1 and 2 can be controlled by the choice of crystallization conditions. All the products were characterized by X-ray diffraction. The coordination preference of 2-HPB is evaluated in the context of hydrogen bonding in the solid state.

METHOD OF PRODUCING NITROGEN-CONTAINING HETEROCYCLIC COMPOUND

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Paragraph 0049-0053, (2020/04/22)

PROBLEM TO BE SOLVED: To provide a method of producing a nitrogen-containing heterocyclic compound with excellent production suitability. SOLUTION: There is provided a method of producing a compound represented by general formula (3) by reacting a compound represented by general formula (1) with a compound represented by general formula (2). SELECTED DRAWING: None COPYRIGHT: (C)2020,JPOandINPIT

Ruthenium(II)-Catalyzed Microwave-Promoted Multiple C-H Activation in Synthesis of Hexa(heteroaryl)benzenes in Water

Drev, Miha,Gro?elj, Uro?,Ledinek, Bine,Perdih, Franc,Svete, Jurij,?tefane, Bogdan,Po?gan, Franc

, p. 5268 - 5273 (2018/09/13)

A series of hexa(heteroaryl)benzenes were synthesized by the Ru(II)-carboxylate-catalyzed multiple C-H activation of benzenes carrying pyridyl, pyrimidyl, or pyrazolyl directing groups using N-heteroaryl bromides as coupling partners. The reactions procee

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