| Identification, method development, validation, and characterization of Aza sugars by an ion-chromatography, high-resolution mass spectrometer, and LC-MS/MS N Rajana, P Madhavan, J Moses Babu, B b Deore, K Basavaiah, DR Devi Journal of Analytical Science and Technology 9, 1-16, 2018 | 9 | 2018 |
| Concise and highly stereoselective syntheses of d-fagomine and 2-epi-fagomine SR Kallam, R Datrika, SR Khobare, VS Gajare, N Rajana, HR Mohan, ... Tetrahedron Letters 57 (12), 1351-1353, 2016 | 8 | 2016 |
| Development and validation of miglitol and its impurities by RP-HPLC and characterization using mass spectrometry techniques K Balakumaran, M Janagili, N Rajana, S Papureddy, J Anireddy Scientia Pharmaceutica 84 (4), 654-671, 2016 | 8 | 2016 |
| Novel cocrystals of brexpiprazole with improved solubility V Rama, S Vidavulur, PV Tadikonda, N Rajana, S Mittapalli Journal of Crystal Growth 551, 125910, 2020 | 7 | 2020 |
| An orthogonal approach for determination of acetamide content in pharmaceutical drug substance and base-contaminated acetonitrile by GC and GC-MS external method N Rajana, KM Yarbagi, K Balakumaran, MV Madhubabu, J Mosesbabu, ... Journal of Chromatographic Science 57 (9), 769-777, 2019 | 7 | 2019 |
| A short diastereoselective synthesis of cis-(2S, 4S) and cis-(2R, 4R)-4-hydroxyprolines VS Gajare, SR Khobare, B Malavika, N Rajana, BV Rao, UKS Kumar Tetrahedron letters 56 (24), 3743-3746, 2015 | 6 | 2015 |
| A concise stereoselective synthesis of (+)-1-deoxy-6-epi-castanospermine VS Gajare, SR Khobare, R Datrika, KS Reddy, N Rajana, BK Babu, ... Tetrahedron Letters 57 (13), 1486-1488, 2016 | 5 | 2016 |
| Diastereoselective total synthesis of piperidine alkaloids:(2R, 5R)-5-hydroxyhomopipecolic acid and (2R, 5R, 8R)-5-hydroxysedamine SR Khobare, VS Gajare, N Rajana, R Datrika, KS Reddy, UKS Kumar, ... Tetrahedron Letters 56 (17), 2207-2210, 2015 | 5 | 2015 |
| Characterization of five oxidative degradation impurities and one process impurity of Suvorexant drug substance by LC-MS/MS, HR-MS and 1D, 2D NMR: Validation of Suvorexant drug … N Rajana, DR Devi, DN Kumar Reddy, JM Babu, K Basavaiah, ... Journal of Chromatographic Science 58 (5), 433-444, 2020 | 4 | 2020 |
| Three-component coupling–oxidative amidation–heterocycloannulation: Synthesis of the indole alkaloids Hamacanthin A and trans-2, 5-bis (3′-indolyl) piperazine AK Srinivasan, S Banerjee, SS Pachore, UKS Kumar Synlett 28 (09), 1057-1064, 2017 | 4 | 2017 |
| An orthogonal approach for method development, validation and trace level quantification of 2, 5-diamino-4, 6-dichloro pyrimidine impurity in abacavir sulfate by LC-MS/MS and GCMS N Rajana, P Madhavan, H Rama Mohan, J Moses Babu, K Basavaiah Asian J Chem 29, 1853-58, 2017 | 4 | 2017 |
| Diversity oriented concise asymmetric synthesis of azasugars: a facile access to l-2, 3-trans-3, 4-cis-dihydroxyproline and (3S, 5S)-3, 4, 5-trihydroxypiperidine VS Gajare, SR Khobare, R Datrika, KS Reddy, N Rajana, S Kumar, ... Tetrahedron letters 56 (48), 6659-6663, 2015 | 4 | 2015 |
| An orthogonal approach for method development and validation of three potential halo alkyl alcohol genotoxic impurities in miglitol drug substance by fast gas chromatography … N Rajana, DV Ramana, RR Ganta, DR Devi, AA Deshpande, JM Babu, ... Separation Science Plus 3 (10), 511-522, 2020 | 3 | 2020 |
| TRACE LEVEL QUANTIFICATION OF CYPIONYL CHLORIDE IN TESTOSTERONE CYPIONATE BY PRE COLUMN DERIVATIZATION WITH 2-BUTANOL BY GAS CHROMATOGRAPHY WITH ELECTRON IMPACT IONIZATION DETECTOR N Rajana, P Madhavan, JM Babu, K Basavaiah, DR Devi | 3 | 2018 |
| Development of novel stability indicating HPLC method and characterization of oxidative degradation impurity in granisetron drug substance K Balakumaran, N Rajana, JM Babu, A Jayashree Int J Pharm Sci Res 8, 4591-603, 2017 | 3 | 2017 |
| Novel stability indicating LC-MS method for N-Nitroso dimethyl amine genotoxic impurity quantification in ranitidine drug substance and drug product GS Rao, D Ramadevi, BM Rao, N Rajana, K Basavaiah Journal of Applied Pharmaceutical Science 12 (7), 106-114, 2022 | 2 | 2022 |
| Absolute configuration of boceprevir chiral fragment-B by chiral chromatographic, spectroscopic, thermal and crystallization techniques. N Rajana, V Pallavi, P Madhavan, HR Mohan, JM Babu, K Basavaiah Asian Journal of Research in Chemistry 11 (3), 671-680, 2018 | 2 | 2018 |
| A novel assay method of 1-deoxy nojirimycine (DNJ) by ion chromatography N Rajana, R Lasker, P Venkatesh, K Yarbagi, K Balakumaran, JM Babu Int J Pharm Sci Res 7 (4), 1580-9, 2016 | 2 | 2016 |
| A rapid, RP-UPLC assay method for simultaneous determination of montelukast sodium and levocetirizine dihydrochloride in pharmaceutical dosage forms J Bharati, BC Naidu, M Sumanth, N Rajana World J Pharm Pharm Sci 4 (11), 1409-21, 2015 | 2 | 2015 |
| Quantitative method for determination of 3, 3‐dimethylallyl bromide genotoxic impurity in Tazarotene drug substance by GC‐MS N Rajana, DV Ramana, J Moses Babu, K Basavaiah, D Rama Devi Separation Science Plus 3 (9), 419-427, 2020 | 1 | 2020 |
