Luminescent Zn and Pd Tetranaphthaloporphyrins

Rozhkov, Vladimir V.; Khajehpour, Mazdak; Vinogradov, Sergei A.

doi:10.1021/ic034257k

Cited by 44 publications

(28 citation statements)

References 26 publications

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“…Palladium(II) and platinum(II) complexes with benzo- [188] and naphthoporhyrins [73, 188, 191] represent another group of the NIR oxygen indicators. These dyes belong to the class of π-extended porphyrins which are characterized by an extended aromatic fragment fused on the porphyrin core; this feature is responsible for the bathochromic shift of the absorption and emission bands.…”

Section: Luminescence-based Indicatorsmentioning

confidence: 99%

Indicators for optical oxygen sensors

2012

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Continuous monitoring of oxygen concentration is of great importance in many different areas of research which range from medical applications to food packaging. In the last three decades, significant progress has been made in the field of optical sensing technology and this review will highlight the one inherent to the development of oxygen indicators. The first section outlines the bioanalytical fields in which optical oxygen sensors have been applied. The second section gives the reader a comprehensive summary of the existing oxygen indicators with a critical highlight on their photophysical and sensing properties. Altogether, this review is meant to give the potential user a guide to select the most suitable oxygen indicator for the particular application of interest.

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Section: Luminescence-based Indicatorsmentioning

confidence: 99%

Indicators for optical oxygen sensors

2012

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“…[33][34][35][36][37][38] ESR characterization ESR spectra for the tetrabutano and tetrabenzo derivatives of Cu(II) at 110 K in CH 2 Cl 2 are illustrated in Fig. has a relatively high intensity due to the increased conjugation between the four fused benzo groups and the macrocycle of the compounds.…”

Section: Synthesis and Uv-vis Spectramentioning

confidence: 99%

Electrochemistry of nonplanar copper(ii) tetrabutano- and tetrabenzotetraarylporphyrins in nonaqueous media

Fang

et al. 2015

RSC Adv.

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Two series of copper tetraarylporphyrins containing b,b 0 -fused tetrabutano or tetrabenzo groups were synthesized and characterized as to their electrochemistry and spectroelectrochemistry in nonaqueous media. The examined compounds are represented as butano-(TpYPP)Cu II and benzo-(TpYPP)Cu II , where TpYPP is the porphyrin dianion and Y is a CH 3 , H or Cl substituent on the para-position of the four meso-phenyl rings of the compound. Each neutral porphyrin in the two series is ESR active and shows a typical d 9 Cu(II) signal in frozen CH 2 Cl 2 solution. Each Cu(II) porphyrin also undergoes two reversible one-electron reductions and two reversible one-electron oxidations in DMF or CH 2 Cl 2 containing 0.1 M tetra-n-butylammonium perchlorate to give a p-anion radical and dianion upon reduction and a pcation radical and dication upon oxidation. A third one-electron oxidation is also observed for butano-(TpYPP)Cu (Y ¼ CH 3 and H) and benzo-(TPP)Cu in PhCN and this process is assigned to the Cu II /Cu III transition. The reversible half-wave potential for the first oxidation of each compound in both series is shifted negatively by about 500 mV as compared to E 1/2 values for oxidation of the related copper tetraarylporphyrin without the four fused benzo or butano rings while smaller positive shifts of 60 and 300 mV are seen for reduction of the tetrabenzotetraarylporphyrins and tetrabutaotetraarylporphyrins, respectively, as compared to the same redox reactions of the related tetraarylporphyrins. The electrochemically measured HOMO-LUMO gap averages 1.76 AE 0.05 V for benzo-(TpYPP)Cu II , 2.04 AE 0.06 V for butano-(TpYPP)Cu II and 2.33 AE 0.03 for (TpYPP)Cu in CH 2 Cl 2 .

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“…It is found that Co(II) phthalocyanines can transfer oxygen from various oxygen donors to alkanes, alkenes, phenols and thiols in the several studies [11e22]. Condensed aromatic compounds containing naphthalene derivatives are effective functional groups in photoemission studies [23,24]. Thus, in this paper we have aimed to synthesize a new class of cobalt phthalocyanines bearing 4-{2-(1-Naphthyloxy)-1-[(1-naphthyloxy)methyl]ethoxy}, 4-{2-(1-Naphthy loxy)-1-[(2-naphthyloxy)methyl]ethoxy} groups on the substitue nts.…”

Section: Introductionmentioning

confidence: 99%