Inorganic and organic anion sensing by azole family members

Kashyap, Sujata; Singh, Rajesh

doi:10.1016/j.ccr.2020.213369

Cited by 38 publications

(12 citation statements)

References 162 publications

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“…Moreover, the presence of a pyridine-like donor nitrogen atom within the ring, which is capable of selectively binding cationic species, also converts imidazoles into excellent cationic optical chemosensors. [41][42][43] Therefore, imidazoles can be protonated or deprotonated depending on the pH of the environment. 44,45 Recently, triaryl (heteroaryl)-imidazole based chromophores have attracted increasing attention due to their unique optical properties (linear and nonlinear) and excellent thermal stability in guest-host systems.…”

Section: Introductionmentioning

confidence: 99%

Organic–inorganic hybrid sol–gel materials doped with a fluorescent triarylimidazole derivative

et al. 2021

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Section: Introductionmentioning

confidence: 99%

Organic–inorganic hybrid sol–gel materials doped with a fluorescent triarylimidazole derivative

et al. 2021

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“…Compounds 1, 2, 3, 4, and 5 are synthesized by following the reported procedure as mentioned in the text. [26][27][28][29] UV-Vis and fluorescence titration are carried out following the reported procedure. [34] Association constants (K a ) have been calculated by feeding the data from UV-Vis and fluorescence titrations to the online Bindfit tool.…”

Section: Methodsmentioning

confidence: 99%

“…3 46 228-31 C (234-36 C) [29] 4. 4 43 202-05 C (208-09 C) [28] 5. 5 65 267À70 C (272À74 C) [26,27] range of 10 5 -10 8 M À1 with the highest value for the 1-PA system (Table 4).…”

Section: Fluorescence Studiesmentioning

confidence: 99%

Recognition of monocarboxylic acids by imidazole‐containing receptors

Prajapati

Shinha

Suryavanshi

et al. 2022

J of Physical Organic Chem

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The recognition of different monocarboxylic acids by a group of substituted imidazoles containing pyridyl moiety has been studied. This work highlights the substituent effects as well as the position of “nitrogen” in the attached pyridine moiety of the hosts during the recognition process. The strongest recognition ability is observed if the receptor contains the 2‐pyridyl moiety. The binding ability is weak for the imidazoles with a 3‐pyridyl unit, and it is close to the phenyl‐substituted imidazoles. The size of the monocarboxylic acids also plays a crucial role in the formation of the host–guest complexes. In all the cases, host and guest bind in 2:1 mode of complexation. This type of interaction is due to the angular supramolecular arrangement of two host molecules generating a cavity to bind the carboxylic acid through three‐ or four‐point hydrogen bonding. The phenyl substituents at the imidazole also slightly enhance the association of hosts and guests. The 1H NMR studies clearly demonstrate a host–guest interaction without any proton transfer in a neutral organic medium.

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“…16 On other hand, nitrogen systems have attracted more attention in recent years because of their interesting properties in coordination chemistry. [17][18][19] However, many reports on transition metal complexes explain their efficient bioactivity against a range of bacterial and fungal species. [20][21][22] In particular, heterocyclic metal complexes dominated medicinal chemistry a Laboratory of Heterocyclic Organic Chemistry, Department of Chemistry, Faculty of Sciences, Mohamed V University, BP1014, Rabat, 10100, Morocco b Laboratory of Analytical Chemistry and Bromatology, Faculty of Medicine and Pharmacy, Mohammed V University in Rabat, Morocco.…”

Section: Introductionmentioning

confidence: 99%