Journal articles: Recent submissions

Now showing items 601-620 of 3247

Tuning the Donating Strength of Dye Sensitizers using Molecular Electrostatic Potential Analysis

Divya, V V; Suresh, C H (Royal Society of Chemistry, 2021)

Donor–π–acceptor (D–π–A) systems typically used in dye-sensitized solar cells (DSSC) have been studied for assessing the donating strength of six donors (D1–D6) under the influence of substituents such as CH3, C5H11, ...
Fabricating a low-cost Raman spectrometer to introduce students to spectroscopy basics and applied instrument design

Emmanuel, N; Nair, R B; Abraham, B; Yoosaf, K (American Chemical Society, 2021-06-08)

Raman spectroscopy has become a popular analytical tool because of its ability to probe nondestructively and provide fingerprint information about materials. The advancements in the field of Raman spectroscopy and the ...
Design and DFT study of nitrogen-rich donor systems for improved photovoltaic performance in dye-sensitized solar cells

Divya, V V; Suresh, C H (Royal Society of Chemistry, 2021)

Eighteen electron-rich nitrogen incorporated donors with a butadiene π-spacer and a cyanoacrylic acid acceptor (A) as photosensitizers (D1–π–A to D18–π–A) for dye-sensitized solar cell (DSSC) applications have been designed ...
Unprecedented access to functionalized pyrrolo[2,1-a]isoquinolines from the domino reaction of isoquinolinium ylides and electrophilic benzannulated heterocycles

Babu, S A; Rajalekshmi, A R; Nitha, P R; Omanakuttan, V K; Rahul, P; Varughese, S; John, J (Royal Society of Chemistry, 2021)

We have come across an unexpected reaction between electrophilic indoles and isoquinolinium methylides for accessing functionalized pyrrolo[2,1-a]isoquinolines. The reaction was found in general to yield the products in ...
Ruthenium(II)-catalyzed regioselective 1,2-hydrosilylation of N‑heteroarenes and tetrel bonding mechanism

Behera, D; Thiyagarajan, S; Anjalikrishna, P K; Suresh, C H; Gunanathan, C (American Chemical Society, 2021-05-21)

An efficient regioselective dearomatization of N-heteroarenes using a ruthenium precatalyst [Ru-(p-cymene)(PCy3)Cl2] 1 is achieved. Reactions were performed under mild and neat conditions. A wide variety of N-heteroarenes ...
Repurposing proteases: An in-silico analysis of the binding potential of extracellular fungal proteases with selected viral proteins

Christopher, M; Prajeesh, K V; Athiraraj, S R; Sukumaran, R K (Elsevier, 2021-09)

Proteases have long been the target of many drugs, but their potential as therapeutic agents is a well-known, but under-explored area. Due to the heightened threat from new and emerging infectious agents, it is worthwhile ...
Quinolinyl-pyrazoles: synthesis and pharmacological evolution in the recent decennial

Basavanna, V; Ningaiah, S; Chandramouli, M; Sobha, A; Doddamani, S (Springer, 2021-07)

In the recent decade, the study on N-heterocycles has dramatically increased due to its versatility in many significant fields and because of its distinctive battle which is associated with the bioassay and its interaction ...
Base-enabled Access to Diastereoselective Spirofuran Oxindoles and γ-functionalized Allenoates

Basavaraja, D; Ajay Krishna, M S; Krishnan, J; Athira, C S; Amrutha, R R; Suresh, E; Sasidhar, B S (Royal Society of Chemistry, 2021)

Base assisted divergent reactivity of isatins and allenoates has been achieved, which afforded diastereoselective spirofuran oxindoles and γ-functionalized allenoates. The DBU mediated Morita–Baylis–Hillman (MBH) reaction ...
Photoinduced electron transfer in a self-assembled bis(β-cyclodextrin)-linked pyrene/bis(adamantane)-linked methyl viologen donor–acceptor system in aqueous solution

Athira, K J; Gopidas, K R (American Chemical Society, 2021-05-06)

Pyrene linked to two β-CD (CD = cyclodextrin; PY = pyrene) molecules (CD-PY-CD) and methylviologen (MV2+) linked to two adamantane (AD) groups (AD-MV2+-AD) self-assembled in water to give toroidal nanostructures. Photoprocesses ...
New narrow orange-emitting phosphors in 1:2 B-site cation ordered Eu3+ doped triple perovskite Ba3CaNb2O9

Aswathy, B A; Rao, P P; Suchithra, V G; Athira, K V R (Springer, 2021-05)

A new series of narrow orange emitting phosphors in 1:2 B-site cation ordered Eu3+ doped triple Perovskite Ba3CaNb2O9 was prepared by the conventional solid-state route. Powder X-ray diffraction analysis of these phosphors ...
Hexagonal boron nitride supported N-heterocyclic carbene-palladium(II): A new, efficient and recyclable heterogeneous catalyst for Suzuki–Miyaura cross-coupling reaction

Antony, A M; Kandathil, V; Kempasiddaiah, M; Sasidhar, B S; Patil, Sivaputra A; Patil, S A (Springer Nature, 2021-05)

In this study, a new stable and powerful hexagonal boron nitride supported N-heterocyclic carbene-palladium(II) complex (h-BN@NHC-Pd) heterogeneous catalyst was designed and synthesized. The structure of the h-BN@NHC-Pd ...
Exploring the cytotoxic effects of the extracts and bioactive triterpenoids from Dillenia indica against oral squamous cell carcinoma: A scientific interpretation and validation of indigenous knowledge

Aswathy, M; Banik, K; Parama, D; Sasikumar, P; Harsha, C; Joseph, A G; Sherin, D R; Thanathu, M K; Kunnumakkara, A B; Radhakrishnan, K V (American Chemical Society, 2021-04-09)

Triterpenoids are ubiquitously distributed secondary metabolites, primarily scrutinized as a source of medication and preventive measures for various chronic diseases. The ease of isolation and excellent pharmacological ...
Synthesis of Benzothienobenzofurans via Annulation of Electrophilic Benzothiophenes with Phenols

Akhil, K R; Babu, S A; Nitha, P R; Jagadeesh, K; Jubi, J (American Chemical Society, 2021)

We have developed a metal-free, mild, and green synthetic route toward benzothieno[3,2-b]benzofurans by the annulation of 3-nitrobenzothiophene with phenols. The reaction was found to be general with a range of substituted ...
Squeeze Infiltration Processing and Structural Characteristics of Lightweight Aluminum-Carbon Metal Matrix Composites

Akhil, M G; Arsha, A G; Manoj, V; Vishnu, R L; Rajan, T P D; Pai, B C (Springer, 2021)

Natural Graphite flakes are attractive carbon-based reinforcements due to its layered structure providing self-lubrication, thermal properties, cost and ease of machinability. The present study focuses on the processing ...
Guanidine as a strong CO 2 adsorbent: a DFT study on cooperative CO 2 adsorption

Anila, S; Suresh, C H (The Royal Society of Chemistry, 2021)

Among the various carbon capture and storage (CCS) technologies, the direct air capture (DAC) of CO2 by engineered chemical reactions on suitable adsorbents has attained more attention in recent times. Guanidine (G) is one ...
Endo- and exohedral chloro-fulleride as η5 ligands: a DFT study on the first-row transition metal complexes

Anila, S; Suresh, C H (The Royal Society of Chemistry, 2021)

C60 fullerene coordinates to transition metals in η2-fashion through its C–C bond at the 6-6 ring fusion site, whereas other coordination modes η3, η4, η5 and η6 are rarely observed. The coordination power of C60 to ...
Chemical-free and scalable process for the fabrication of a uniform array of liquid-gated CNTFET, evaluated by KCl electrolyte

Agarwal, P B; Thakur, N K; Sharma, R; Singh, P; Joseph, J; Tripura, C (Nature.com, 2021)

Biosensors based on liquid-gated carbon nanotubes field-effect transistors (LG-CNTFETs) have attracted considerable attention, as they offer high sensitivity and selectivity; quick response and label-free detection. However, ...
Trifluoromethyl‐Directed Supramolecular Self‐Assembly of Fullerenes: Synthesis, Characterization and Photovoltaic Applications

Thawarkar, S; Nagarjuna, P; Bagui, A; Narayan, R; Panicker, JS; Nair, VC; Singh, SP (Wiley, 2020-01-23)

Self‐assembly of fullerene derivatives plays an important role in controlling photovoltaic performance of organic solar cells (OSCs). Herein, we have synthesized two covalently bonded phenyl substituted fullerene derivatives ...
Isosmaragdyrin with an N3C2 core: stabilization of Rh(i) and organo-Pt(ii) complexes†Isosmaragdyrin with an N3C2 core: stabilization of Rh(i) and organo-Pt(ii) complexes

Das, M; Chitranshi, S; Murugavel, M; Adinarayana, B; Suresh, CH; Srinivasan, A (Royal Society of Chemistry, 2020)

Isosmaragdyrin with an N3C2 core is successfully achieved by introducing a 2,6-di-m-phenylpyridine unit. The core is utilized to stabilize the Rh(I) ion in the N–Rh(I)–N bonding mode and the Pt(II) ion in the (N^C)N fashion ...
Immobilizing biogenically synthesized palladium nanoparticles on cellulose support as a green and sustainable dip catalyst for cross-coupling reaction

Kempasiddaiah, M; Kandathil, V; Dateer, RB; Sasidhar, BS; Patil, SA; Patil, SA (Springer, 2020-04)

Biowaste resources are the promising renewable raw materials for green and economical purpose. In this context, usage of cellulose fibers as linear and flexible bio-polymer derived from waste lignocellulosic biomass has ...

Now showing items 601-620 of 3247

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