Pranab Ghosh
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View article: A Brief Overview on Multi-component Synthesis of Tri- and Tetra-substituted Imidazoles
A Brief Overview on Multi-component Synthesis of Tri- and Tetra-substituted Imidazoles Open
Imidazole ring is a five-membered aromatic heterocycle which is widely present in natural products to synthetic molecules. The imidazoles are a group of heterocyclic molecules that have diverse significance in the modern world due to its p…
View article: Enhancement of catalytic activity using CoFeLDH for the formation of biologically active diaryl sulfide and propargylamine derivatives: molecular docking, DFT, dynamics, and ADMET analyses of their biocidal and anti-diabetic activities
Enhancement of catalytic activity using CoFeLDH for the formation of biologically active diaryl sulfide and propargylamine derivatives: molecular docking, DFT, dynamics, and ADMET analyses of their biocidal and anti-diabetic activities Open
CoFeLDH catalyst C–S & A3 coupling reaction.
View article: Frontiers in bond construction: innovative approaches to C–C and carbon–heteroatom (C–S, C–N, C–O, C–Se, C–P) transformations-a review
Frontiers in bond construction: innovative approaches to C–C and carbon–heteroatom (C–S, C–N, C–O, C–Se, C–P) transformations-a review Open
This comprehensive review explores the cutting-edge innovations driving modern bond construction, with a specific focus on C–C and carbon-heteroatom (C–S, C–N, C–O, C–Se, C–P) transformations.
View article: A Review on Recent One Pot Multi-Component Synthesis and Biological Properties of a Class of New Class of Chromenes, Coumarines, Chromeno-Pyrimidines, Pyrido-Pyrimidine and Quinazoline Heterocycles
A Review on Recent One Pot Multi-Component Synthesis and Biological Properties of a Class of New Class of Chromenes, Coumarines, Chromeno-Pyrimidines, Pyrido-Pyrimidine and Quinazoline Heterocycles Open
The chromenes, coumarines, pyrido-pyrimidine and quinazoline cores possesses a vast number of biological activities such as anticancer, anti-malarial, anti-microbial, anti-fungal, anti-tubercular activities and the conventional classical s…
View article: A Brief Overview on One Pot Multi-component Synthesis and Biological Properties of a Class of Nitrogenous Complex Heterocyclic Compounds
A Brief Overview on One Pot Multi-component Synthesis and Biological Properties of a Class of Nitrogenous Complex Heterocyclic Compounds Open
The quinoline and acridine core possesses a vast number of biological activities such as anticancer, anti-malarial, anti-microbial, antifungal, anti-tubercular activities and the conventional classical synthetic methods have harsh conditio…
View article: <i>p</i> ‐Toluene Sulphonic Acid (PTSA): An Efficient Catalyst for One‐Pot Three‐Component Synthesis of Novel 3‐Pyrazolyl‐Thiazolidin‐4‐One Derivatives
<i>p</i> ‐Toluene Sulphonic Acid (PTSA): An Efficient Catalyst for One‐Pot Three‐Component Synthesis of Novel 3‐Pyrazolyl‐Thiazolidin‐4‐One Derivatives Open
This research article focuses on the pathway for metal‐free unprecedented one‐pot three‐component synthesis of biologically active 3‐pyrazolyl‐thiazolidin‐4‐one derivatives through cyclo‐condensation of aromatic aldehydes, 1 H ‐pyrazol‐3‐a…
View article: Development and Evaluation of Castor Oil-Based Additives for Sustainable Lubricating Oils
Development and Evaluation of Castor Oil-Based Additives for Sustainable Lubricating Oils Open
The gradual reduction of worldwide crude oil stores, increasing costs of crude oil, and escalating environmental worries are critical matters with the capacity to profoundly affect human existence. Meeting these challenges necessitates res…
View article: Evaluation and Synthesis of Environmentally Benign Multifunctional Additives for Lube Oil
Evaluation and Synthesis of Environmentally Benign Multifunctional Additives for Lube Oil Open
Behenyl acrylate (BA) homo-polymer and its copolymers with citral were synthesized with varying percentage compositions (w/w) and subjected to thorough characterization through GPC (gel permeation chromatography) analysis and spectroscopic…
View article: A Short Review on Beneficial Effects of Selenium on Human Health
A Short Review on Beneficial Effects of Selenium on Human Health Open
The trace element Selenium (Se) is an essential micronutrient for humans and animals. The beneficial effects of Se range from maintenance of metabolic processes, bone stability, immune and endocrine system, helping in reproduction to preve…
View article: KI mediated one-pot cascade reaction for synthesis of 1,3,4-selenadiazoles
KI mediated one-pot cascade reaction for synthesis of 1,3,4-selenadiazoles Open
A one-pot pseudo three-component cascade reaction for the preparation of 1,3,4-selenadiazole from aldehydes, hydrazine and elemental selenium is demonstrated here using the catalytic system consisting of KI and K 2 S 2 O 8 in DMSO.
View article: List of contributors
List of contributors Open
View article: A Collaborative Study: Greener Synthesis of Heterocyclic Compounds Using Rice Husk-Based Catalyst
A Collaborative Study: Greener Synthesis of Heterocyclic Compounds Using Rice Husk-Based Catalyst Open
An efficient, straight forward and sustainable synthetic procedures for the synthesis of few important class of bioactive heterocyclic compounds like dihydro-dichromeno-pyridine-6,8-diones, tetrahydrotetrazolo[5,1-b]quinazolinones and2,4-d…
View article: Humic acid: An unexplored organocatalyst toward the synthesis of 1-amidoalkyl-2-naphthols and 1-thioamidoalkyl-2-naphthols through one-pot multi-component system
Humic acid: An unexplored organocatalyst toward the synthesis of 1-amidoalkyl-2-naphthols and 1-thioamidoalkyl-2-naphthols through one-pot multi-component system Open
Humic acid is a group of molecules which are eco-benign, inexpensive, readily attainable, high-molecular-weight, natural acidic organic polymer. In our current protocol a simple, facile, and robust single-pot three-component synthesis of 1…
View article: β-Cyclodextrin: a green supramolecular catalyst assisted eco-friendly one-pot three-component synthesis of biologically active substituted pyrrolidine-2-one
β-Cyclodextrin: a green supramolecular catalyst assisted eco-friendly one-pot three-component synthesis of biologically active substituted pyrrolidine-2-one Open
An eco-efficient protocol towards the synthesis of highly substituted bio-active pyrrolidine-2-one derivatives was demonstrated using β-cyclodextrin, a water-soluble supramolecular catalyst at room temperature under water–ethanol solvent m…
View article: PEG-200: A versatile green solvent assisted catalyst-free one-pot three-component synthesis of functionalised N-amino-3-cyano-2-pyridone
PEG-200: A versatile green solvent assisted catalyst-free one-pot three-component synthesis of functionalised N-amino-3-cyano-2-pyridone Open
PEG-200, a biodegradable, non-toxic, economical, easily available, robust and recyclable solvent mediated one-pot three-component reaction for synthesis of diverse array of functionalised N-amino-3-cyano-2-pyridone by the reaction of aldeh…
View article: A Comparative Study on the Efficacy of Oral Midazolam and Oral Triclofos Sodium for Conscious Sedation in Pediatric Group of Patients
A Comparative Study on the Efficacy of Oral Midazolam and Oral Triclofos Sodium for Conscious Sedation in Pediatric Group of Patients Open
Background: Behavioral management and carrying out surgical procedures for very young, uncooperative, anxious children can be challenging. It is usually encountered in children below the age of 6 years due to the following contributing fac…
View article: One-pot three-component tandem annulation of 4-hydroxycoumarine with aldehyde and aromatic amines using graphene oxide as an efficient catalyst
One-pot three-component tandem annulation of 4-hydroxycoumarine with aldehyde and aromatic amines using graphene oxide as an efficient catalyst Open
A convenient and efficient solvent-free, facile, one-pot three-component graphene oxide catalysed approach has been described for the synthesis of chromeno-[4,3- b ]quinolin-6-one derivatives from 4-hydroxycoumarin with aldehydes and aroma…
View article: A Short Review on Polymeric Biomaterials as Additives for Lubricants
A Short Review on Polymeric Biomaterials as Additives for Lubricants Open
With increasing environmental concerns and the depletion of petroleum resources, the development of lubricant additives from bioresources has attracted much attention recently. In this review, we reported a few polymers and polymer composi…
View article: Onion extract catalyzed novel synthesis of pyrazine
Onion extract catalyzed novel synthesis of pyrazine Open
An efficient catalytic system for analyzing Pyrazine derivatives using an extract of onion at room temperature is discussed in this research study. A very good to excellent yields in reasonably short reaction time, high atom economy, usage…
View article: ORGANO-Cu (II) CATALYST: AN EFFICIENT SYNTHESIS OF SUBSTITUTED N-HETEROCYCLES VIA DOUBLE CONDENSATION/ TANDEM OXIDATIONCYCLIZATION/ELIMINATION-CYCLIZATION REACTIONS FROM EASILY ACCESSIBLE PRECURSORS
ORGANO-Cu (II) CATALYST: AN EFFICIENT SYNTHESIS OF SUBSTITUTED N-HETEROCYCLES VIA DOUBLE CONDENSATION/ TANDEM OXIDATIONCYCLIZATION/ELIMINATION-CYCLIZATION REACTIONS FROM EASILY ACCESSIBLE PRECURSORS Open
Several efficient, robust, versatile and straightforward strategies for the diversity-oriented convergent synthesis of a vast range of highly functionalized biologically active N-heterocycles such as quinoxaline, pyrazine, cyanopyrazine de…
View article: Convenient one-pot synthesis of 1,2,4-oxadiazoles and 2,4,6-triarylpyridines using graphene oxide (GO) as a metal-free catalyst: importance of dual catalytic activity
Convenient one-pot synthesis of 1,2,4-oxadiazoles and 2,4,6-triarylpyridines using graphene oxide (GO) as a metal-free catalyst: importance of dual catalytic activity Open
Graphene oxide (GO) as a metal-free catalyst for the synthesis of 1,2,4-oxadiazoles and 2,4,6-triarylpyridines under mild reaction conditions.
View article: One Pot Reductive Synthesis of Benzimidazole Derivatives from 2-Nitro Aniline and Aromatic Aldehydes Using Zn/NaHSO3 in Water Medium
One Pot Reductive Synthesis of Benzimidazole Derivatives from 2-Nitro Aniline and Aromatic Aldehydes Using Zn/NaHSO3 in Water Medium Open
Small amount of Zn dust and NaHSO3 was utilized to efficiently synthesize benzimidazole derivatives via one pot reductive cyclocondensation process in water medium at 100oC temperature. Very good to excellent yields in reasonably short rea…
View article: β-Cyclodextrin: a supramolecular catalyst for metal-free approach towards the synthesis of 2-amino-4,6-diphenylnicotinonitriles and 2,3-dihydroquinazolin-4(1<i>H</i>)-one
β-Cyclodextrin: a supramolecular catalyst for metal-free approach towards the synthesis of 2-amino-4,6-diphenylnicotinonitriles and 2,3-dihydroquinazolin-4(1<i>H</i>)-one Open
A vast range of 2-amino-4,6-diphenylnicotinonitrile and 2,3-dihydroquinazolin-4(1H)-one were synthesized through a metal-free one-pot multi-component synthesis using β-cyclodextrin as an efficient supramolecular organocatalyst.
View article: Thermoresponsive Reversible Host-Guest Supramolecular Nanotubular Self-Assembly of Octyl-2-Acetoxybenzoate@β-CD
Thermoresponsive Reversible Host-Guest Supramolecular Nanotubular Self-Assembly of Octyl-2-Acetoxybenzoate@β-CD Open
View article: A greener and sustainable approach towards the synthesis of propargylamine using multicomponent A3-coupling reaction
A greener and sustainable approach towards the synthesis of propargylamine using multicomponent A3-coupling reaction Open
The abundance of toxic contaminated effluents from the pharmaceutical industries and the serious risk of contamination of the aquatic systems combine to provide strong motivating factors to tackle this environmental problem. Use of non haz…
View article: Polyacrylate-magnetite nanocomposite as a potential multifunctional additive for lube oil
Polyacrylate-magnetite nanocomposite as a potential multifunctional additive for lube oil Open
The application of polymer nanocomposites (PNCs) in lubricant industry has attracted considerable interest due to their much enhanced properties compared to neat polymers. In this study, magnetite (Fe 3 O 4 ) nanoparticles (NPs) were synth…
View article: Greener additives for lube oil: Synthesis and evaluation of rice bran oil based copolymers as potential lube oil additives
Greener additives for lube oil: Synthesis and evaluation of rice bran oil based copolymers as potential lube oil additives Open
Department of Chemistry, Natural Product and Polymer Chemistry Laboratory, University of North Bengal, Darjeeling-734 013, West Bengal, India Department of Chemistry, Kokrajhar Govt. College, Kokrajhar-783 370, Assam, India E-mail…