Search Results - "Kumar Dubey, Pramod"

Efficient stepwise and one pot three-component synthesis of 2-amino-4-(2-oxo-2H-chromen-3-yl)thiophene-3-carbonitriles by Srikrishna, Devulapally, Dubey, Pramod Kumar

“…[Display omitted] Environmentally benign conditions have been developed for the synthesis of 2-amino-4-(2-oxo-2H-chromen-3-yl)thiophene-3-carbonitriles (3)…”
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Synthesis, Biological Evaluation and In silico Studies of Compounds Based on Tryptophan‐Naproxen‐Triazole Hybrids by Srinivas, Suryapeta, Neeraja, Papigani, Banothu, Venkanna, Kumar Dubey, Pramod, Mukkanti, Khagga, Pal, Sarbani

“…A hybrid of three different frameworks e. g. tryptophan, naproxen and triazole has been explored for the identification of potential antibacterial / anticancer…”
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Assembly of Benzothiazine and Triazole in a Single Molecular Entity: Synthesis of -Oxicam Derived Novel Molecules as Potential Antibacterial/ Anti-cancer Agents by Neeraja, Papigani, Srinivas, Suryapeta, Banothu, Venkanna, Sridhar, B, Mukkanti, Khagga, Dubey, Pramod Kumar, Pal, Sarbani

“…Benzothiazine derivatives, because of their various biological activities have attracted particular attention in Med Chem and drug discovery efforts. The…”
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Tetrabutylammonium tribromide: an effective green reagent for the one-pot reaction of 3-acetyl-2H-chromen-2-ones with o-phenylenediamines by Kavitha, Kotthireddy, Srikrishna, Devulapally, Dubey, Pramod Kumar, Aparna, Pasula

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Enantiomeric separation of proton pump inhibitors on new generation chiral columns using LC and supercritical fluid chromatography by Chennuru, Lakshmi Narayana, Choppari, Thirupathi, Duvvuri, Subrahmanyam, Dubey, Pramod Kumar

“…The enantioselectivity of proton pump inhibitors, namely, omeprazole, lansoprazole, rabeprazole, pantoprazole, tenatoprazole, and ilaprazole were studied using…”
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Sulfamic acid as a green, reusable catalyst for stepwise, tandem ＆ one-pot solvent-free synthesis of pyrazole derivatives by Konkala, Veera Swamy, Dubey, Pramod Kumar

“…Sulfamic acid（SA） is a bi-functional, cost-effective and reusable green catalyst for the synthesis of 4-（pyrazol-4-yl）methylenepyrazol-5（4H）-one derivatives by…”
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Synthesis, isolation, identification and characterization of new process-related impurity in isoproterenol hydrochloride by HPLC, LC/ESI-MS and NMR by Kumar, Neeraj, Devineni, Subba Rao, Gajjala, Prasad Reddy, Dubey, Shailendra Kumar, Kumar, Pramod

“…One unknown impurity （Imp-II） during the analysis of laboratory batches of isoproterenol hydrochloride was detected in the level ranging from 0.04% to 0.12% by…”
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Thermal rearrangement of tert-butylsulfinamide by Arava, Veera Reddy, Gorentla, Laxminarasimhulu, Dubey, Pramod Kumar

“…tert-Butylsulfinamides are unstable above room temperature, and in chlorinated solvents they undergo rearrangement to form the more stable…”
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Regulatory and Patenting Aspects of Chiral Drugs by Ready, Bireddy Srinivasa, Dubey, Pramod Kumar

“…Any chiral drug, when prepared using a chemical synthesis method, is usually obtained as a 50:50 racemic mixture of R and S enantiomers. Irrespective of…”
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The Rise, Fall and Re-emergence of DDT by Reddy, Bireddy Srinivasa, Dubey, Pramod Kumar

“…DDT does not occur naturally and is purely a laboratory-synthesized compound. After being in existence for over 60 years, its wide-spectrum insecticidal…”
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Chirality and Drug Activity by Reddy, Bireddy Srinivasa, Dubey, Pramod Kumar

“…Certain biological ‘receptors’ are known to generate disease conditions in the animal/human body. Small molecules, determined by the nature of their groups and…”
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One‐pot Synthesis of 3‐phenyl‐4‐pyrazolylmethylene‐isoxazol‐(5H)‐ones Catalyzed by Sodium Benzoate in Aqueous Media under the Influence of Ultrasound Waves: A Green Chemistry Approach by Konkala, Veera Swamy, Dubey, Pramod Kumar

“…A series of 4‐pyrazolylmethylene‐3‐phenylisoxazol‐5(4H)‐ones have been prepared from Knoevenagel condensation of pyrazole‐4‐carbaxaldehyde with isoxazolone…”
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Synthesis, biological evaluation, and docking study of a series of 1,4‐disubstituted 1,2,3‐triazole derivatives with an indole‐triazole‐peptide conjugate by Suryapeta, Srinivas, Papigani, Neeraja, Banothu, Venkanna, Dubey, Pramod Kumar, Mukkanti, Khagga, Pal, Sarbani

“…A series of new compounds containing an indole‐triazole‐peptide conjugate were designed as potential agents possessing the dual anti‐bacterial and anticancer…”
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1H-1,2,3-Triazolyl-substituted 1,3,4-oxadiazole derivatives containing structural features of ibuprofen/naproxen: Their synthesis and antibacterial evaluation by Neeraja, Papigani, Srinivas, Suryapeta, Mukkanti, Khagga, Dubey, Pramod Kumar, Pal, Sarbani

“…[Display omitted] 1H-1,2,3-Triazolyl-substituted 1,3,4-oxadiazole derivatives containing structural features of ibuprofen/naproxen were synthesized for the…”
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Synthesis of novel substituted 3-(4-((1H-benzo[d]imidazol-2-ylthio)methyl)-1-phenyl-1H-pyrazol-3-yl)-2H-chromen-2-ones: various approaches by Srikrishna, Devulapally, Dubey, Pramod Kumar

“…Considering benzimidazole as a privileged structure for developing probes of impressive pharmacological potentials, some new coumarin and pyrazole conjugates…”
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An efficient one-pot four-component Gewald reaction: Synthesis of substituted 2-aminothiophenes with coumarin–thiazole scaffolds under environmentally benign conditions by Kavitha, Kotthireddy, Srikrishna, Devulapally, Dubey, Pramod Kumar, Aparna, Pasula

“…An elegant and efficient method has been outlined for the synthesis of novel 5-amino-4-[4-(2-oxo-2H-chromen-3-yl)thiazol-2-yl]-3-arylthiophene-2-carbonitriles…”
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A facile and expedient microwave-assisted solvent-free method for the synthesis of 2-amino-4-(2-oxo-2H-chromen-3-yl)nicotinonitriles by Srikrishna, Devulapally, Dubey, Pramod Kumar

“…An efficient method for the synthesis of novel 2-amino-4-(2-oxo-2 H -chromen-3-yl)nicotinonitriles has been developed under solvent-free conditions using…”
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An Efficient One‐pot Three‐component Method for the Synthesis of 5‐Amino‐3‐(2‐oxo‐2H‐chromen‐3‐yl)‐7‐aryl‐7H‐thiazolo[3,2‐a]pyridine‐6,8‐dicarbonitriles by Kotthireddy, Kavitha, Devulapally, Srikrishna, Dubey, Pramod Kumar, Pasula, Aparna

“…A facile, convenient, and adequate method has been developed for the synthesis of novel…”
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Urea/thiourea: efficient, inexpensive and reusable catalysts for the synthesis of pyrazole derivatives with 2-iminothiazolidin-4-one and 2,4-thiazolidinediones under solvent-free conditions by Konkala, Veera Swamy, Dubey, Pramod Kumar

“…An efficient and green synthesis of pyrazolyl-2,4-thiazolidinediones/pyrazolyl-2-iminothiazolidine-4-ones 7 ( a – j ) has been developed using urea/thiourea as…”
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Microwave-assisted efficient and convenient one-pot synthesis of novel 3-(4-aminothieno[2,3-d]pyrimidin-5-yl)coumarins under solvent-free conditions by Srikrishna, Devulapally, Dubey, Pramod Kumar

“…An efficient green synthesis of novel 3-(4-aminothieno[2,3- d ]pyrimidin-5-yl)coumarins has been developed. One-pot reaction of 3-acetylcoumarin,…”
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