The Bipyridines

Summers, L. A.

doi:10.1016/s0065-2725(08)60151-8

Cited by 117 publications

(46 citation statements)

References 784 publications

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“…[1] The stereochemical flexibility of a ligand providing facile structural adjustment between differing coordination geometry dictated by redox interconversion (for example, octahedral to square planar for d 7 Co II to d 8 Co I and octahedral to square-based geometry for d 8 Ni II to d 9 Ni I ) is important to stabilize metal ions in lower oxidation states. It has been well-documented that a flexible ligand augments stabilization of Ni I species.…”

Section: Introductionmentioning

confidence: 99%

Generation and Properties of Co^I/Ni^I Species Stabilized by a Tetradentate Pyridylpyrazole Ligand: Crystal Structures of Dialkyl‐Co^III Complexes

Mishra

Mukherjee

2009

Eur J Inorg Chem

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Section: Introductionmentioning

confidence: 99%

Generation and Properties of Co^I/Ni^I Species Stabilized by a Tetradentate Pyridylpyrazole Ligand: Crystal Structures of Dialkyl‐Co^III Complexes

Mishra

Mukherjee

2009

Eur J Inorg Chem

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“…3 Moreover, rational receptor design using more than one bpy can reach selective and strong interaction with guests. 4 Therefore, many kinds of fluorescent polypyridine compounds including bpy and dppz derivatives are described in understanding the recent current of fluorescent materials having photofuctionality Bpy and bpy derivatives 2,2'-Bipyridine (bpy) and its derivatives are the representative member of polypyridine compounds 5 ( Fig. 1), which serve as the chelating agents for various metal cations, especially for transition metal cations because of their π-acid nature.…”

Section: Introductionmentioning

confidence: 99%

“…Bpy was first prepared in 1888 by the dry distillation of the copper salt of picolinic acid. 6 Bpy and its derivatives are generally non-fluorescent, 5 and relatively little is known about their fluorescent properties. Only 3,3'-dihydroxy-bpy (33'OH) 7,8 has been known to show a moderate fluorescence (Ф = 0.2) among bpy derivatives.…”

Section: Introductionmentioning

confidence: 99%

The Recent Current of Fluorescent Polypyridine Compounds Having Photofuctionality

Choi¹

2016

Rapid Communication in Photoscience

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Many kinds of fluorescent polypyridine compounds including bpy and dppz derivatives are described in understanding the recent current of fluorescent materials having photofuctionality. Those polypyridine compounds have the photofunctionality such as the fluorescence recognition and/or photo-switching. Furthermore, those compounds are applicated for the construction of long ranged photoinduced electron/energy transfer system. Various fluorescent π-conjugation systems connected by amide or imine bond as well as the simple fluorescent bpy derivatives are introduced in this review paper. INTRODUCTIONFluorescent artificial receptors are attracting considerable interest in various stages in sensory, biochemical, medical, photoelectronic, and other fields.1 These receptors are composed of the host unit (binding site) and the signaling unit (fluorescent site), and communication between the two units is essential for guest specific response. Though various molecular designs have been proposed in order to develop efficient fluorescent receptors, 2 most of those receptors are designed by introducing molecular recognition site(s) into the known fluorophores.Polypyridine compounds are useful molecular units as a binding site. They have multiple interaction sites, and the number of pyridine units is adjustable. 2,2'-Bipyridine (bpy) is most studied among them due to its excellent property as a bidentate ligand and as a hydrogen bond acceptor.3 Moreover, rational receptor design using more than one bpy can reach selective and strong interaction with guests.

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“…The electron Donor-Acceptor (DA) molecular systems based on the reversible electron-transfer (ET) photochemistry of viologen copounds [1][2][3][4] have attracted a great deal of study by diverse groups of researchers due to their potential for preparation of materials for light conversion and other applications [3,[5][6][7][8]. Of special interest for the technology of solar energy conversion are the photoelectro-chemical ETDA systems, either in solutions and solid state, which are photoactive in the visible.…”

Section: Introductionmentioning

confidence: 99%

Untitled

2012

IJOE

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The photo-electrical response of donor-acceptor complex formed by carbonyl viologen 1,1'-bis[2-(4-methoxyphenyl)-2-oxoethyl]-4,4'-bipyridine-1,1'-diium bromide (as electron acceptor), and 1-Aminonaphthalene (electron donor), is studied in acetonitrile solutions under illumination close to solar irradiation conditions. The effect of the donor-to-acceptor molar ratio on the photo-electrical properties of the molecular complex is established. The molecular system containing carbonyl viologen acceptor exhibits an efficient photo-electrical response that may be of interest for solar energy conversion.

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The Bipyridines

Cited by 117 publications

References 784 publications

Generation and Properties of Co^I/Ni^I Species Stabilized by a Tetradentate Pyridylpyrazole Ligand: Crystal Structures of Dialkyl‐Co^III Complexes

Generation and Properties of Co^I/Ni^I Species Stabilized by a Tetradentate Pyridylpyrazole Ligand: Crystal Structures of Dialkyl‐Co^III Complexes

The Recent Current of Fluorescent Polypyridine Compounds Having Photofuctionality

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The Bipyridines

Cited by 117 publications

References 784 publications

Generation and Properties of CoI/NiI Species Stabilized by a Tetradentate Pyridylpyrazole Ligand: Crystal Structures of Dialkyl‐CoIII Complexes

Generation and Properties of CoI/NiI Species Stabilized by a Tetradentate Pyridylpyrazole Ligand: Crystal Structures of Dialkyl‐CoIII Complexes

The Recent Current of Fluorescent Polypyridine Compounds Having Photofuctionality

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Generation and Properties of Co^I/Ni^I Species Stabilized by a Tetradentate Pyridylpyrazole Ligand: Crystal Structures of Dialkyl‐Co^III Complexes

Generation and Properties of Co^I/Ni^I Species Stabilized by a Tetradentate Pyridylpyrazole Ligand: Crystal Structures of Dialkyl‐Co^III Complexes