Design, synthesis and structure–activity relationship (SAR) studies of imidazo [4, 5-b] pyridine derived purine isosteres and their potential as cytotoxic agents AM Sajith, KKA Khader, N Joshi, MN Reddy, MSA Padusha, ... European Journal of Medicinal Chemistry 89, 21-31, 2015 | 47 | 2015 |
Regioselective synthesis of C-2 substituted imidazo [4, 5-b] pyridines utilizing palladium catalysed C–N bond forming reactions with enolizable heterocycles KKA Khader, AM Sajith, MSA Padusha, HP Nagaswarupa, ... Tetrahedron Letters 55 (10), 1778-1783, 2014 | 28 | 2014 |
A rapid and modified approach for C-7 amination and amidation of 4-methyl-7-nonafluorobutylsulfonyloxy coumarins under microwave irradiation MN Joy, YD Bodke, KKA Khader, MSA Padusha, AM Sajith, ... RSC Advances 4 (38), 19766-19777, 2014 | 26 | 2014 |
A rapid approach for the copper, amine, and ligand-free Sonogashira coupling of 4-methyl-7-nonafluorobutylsulfonyloxy coumarins under microwave irradiation MN Joy, YD Bodke, KKA Khader, AM Sajith Tetrahedron Letters 55 (15), 2355-2361, 2014 | 25 | 2014 |
Separation of ephedrine and pseudoephedrine enantiomers using a polysaccharide‐based chiral column: a normal phase liquid chromatography–high‐resolution mass spectrometry approach AK Karakka Kal, TK Karatt, R Sayed, M Philip, S Meissir, J Nalakath Chirality 31 (8), 568-574, 2019 | 20 | 2019 |
Simultaneous exploration of TBAF· 3H2O as a base as well as a solvating agent for the palladium catalyzed Suzuki cross-coupling of 4-methyl-7-nonafluorobutylsulfonyloxy … MN Joy, YD Bodke, KKA Khader, AM Sajith, T Venkatesh, AKA Kumar Journal of Fluorine Chemistry 182, 109-120, 2016 | 20 | 2016 |
Metabolic studies of hypoxia‐inducible factor stabilisers IOX2, IOX3 and IOX4 (in vitro) for doping control M Philip, B Mathew, TK Karatt, Z Perwad, MB Subhahar, AK Karakka Kal Drug Testing and Analysis 13 (4), 794-816, 2021 | 19 | 2021 |
Separation and identification of the epimeric doping agents–Dexamethasone and betamethasone in equine urine and plasma: A reversed phase chiral chromatographic approach TK Karatt, R Sayed, J Nalakath, Z Perwad, PH Albert, KKA Khader Steroids 140, 77-82, 2018 | 18 | 2018 |
Mass spectrometric method for distinguishing isomers of dexamethasone via fragment mass ratio: An HRMS approach TK Karatt, J Nalakath, Z Perwad, PH Albert, KK Abdul Khader, ... Journal of Mass Spectrometry 53 (11), 1046-1058, 2018 | 18 | 2018 |
A facile access for the synthesis of some C-2 substituted imidazopyrazines by utilizing the palladium catalyzed Suzuki cross-coupling reaction under microwave irradiation MN Joy, B Savitha, AM Sajith, YD Bodke, T Venkatesh, KKA Khader, ... Chinese Chemical Letters 27 (1), 31-36, 2016 | 14 | 2016 |
Palladium-Catalyzed Suzuki Cross-Coupling of 2-Halo-Deazapurines with Potassium Organotrifluoroborate Salts in the Regioselective Synthesis of Imidazo [4, 5-b] pyridine Analogues B Savitha, AM Sajith, MN Joy, KKA Khader, A Muralidharan, ... Australian Journal of Chemistry 69 (6), 618-630, 2015 | 14 | 2015 |
Identification of Hypoxia‐inducible factor (HIF) stabilizer roxadustat and its possible metabolites in thoroughbred horses for doping control B Mathew, M Philip, Z Perwad, TK Karatt, MR Caveney, MB Subhahar, ... Drug Testing and Analysis 13 (6), 1203-1215, 2021 | 13 | 2021 |
Detection and identification of ACP‐105 and its metabolites in equine urine using LC/MS/MS after oral administration MB Subhahar, KKA Khader, M Philip, T Karatt, MA Meleparappil Drug Testing and Analysis, 2020 | 12 | 2020 |
Cycloalkenyl nonaflates as electrophilic cross-coupling substrates for palladium catalyzed C–N bond forming reactions with enolizable heterocycles under microwave enhanced … KKA Khader, AM Sajith, MSA Padusha, HP Nagaswarupa, ... New Journal of Chemistry 38 (3), 1294-1305, 2014 | 12 | 2014 |
In vitro studies of hypoxia inducible factor‐prolyl hydroxylase inhibitors daprodustat, desidustat, and vadadustat for equine doping control M Philip, AK Karakka Kal, MB Subhahar, TK Karatt, B Mathew, Z Perwad Drug testing and analysis 14 (2), 317-348, 2022 | 11 | 2022 |
Development and validation of a chiral LC‐MS method for the enantiomeric resolution of (+) and (−)‐medetomidine in equine plasma by using polysaccharide‐based chiral stationary … AK Karakka Kal, J Nalakath, T Kunhamu Karatt, Z Perwad, B Mathew, ... Chirality 32 (3), 314-323, 2020 | 10 | 2020 |
Use of polysaccharide-based chiral columns: Enantiomeric separation of seven pairs of abused drugs by high-performance liquid chromatography–mass spectrometry TK Karatt, AKK Kal, R Sayed, J Nalakath, Z Perwad Forensic Toxicology 37, 254-260, 2019 | 10 | 2019 |
One pot synthesis of 2-hydroxy pyrrolidine derivatives PP Varma, KM Mahadevan, A Khader, V Hulikal Organic Communications 4 (3), 52, 2011 | 10 | 2011 |
Separation and Determination of the Enantiomeric Levamisole and Dexamisole in Equine Plasma Samples Using Chiral Polysaccharide Column/LC-MS/MS AK Karakka Kal, TK Karatt, M Philip, S Meissir, J Nalakath Current Analytical Chemistry 16 (6), 761-767, 2020 | 9 | 2020 |
Simultaneous analysis of 44 frequently abused corticosteroid drugs using polysaccharide‐based chiral column‐HRMS approach AK Karakka Kal, TK Karatt, J Nalakath, MB Subhahar, SA Koshy, ... Analytical Science Advances 2 (9-10), 427-439, 2021 | 8 | 2021 |