Zobrazeno 1 - 10
of 56
pro vyhledávání: '"Krishnamurthi Vyas"'
Autor:
Shakil S. Sait, Krishnamurthi Vyas, A. Malleswara Reddy, S. Jayapal Reddy, Palavai Sripal Reddy
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 37:2490-2505
A novel gradient reversed-phase high-performance liquid chromatographic method has been developed for quantitative determination of Ropinirole hydrochloride and its six impurities in pharmaceutical dosage forms. Chromatographic separation has been ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4120b4b8058e350e809865832062f9ab
https://doi.org/10.1080/10826076.2013.850720
https://doi.org/10.1080/10826076.2013.850720
Autor:
Krishnamurthi Vyas, R. Pichai, L. Kalyanaraman, S.R. Narasimhan, R. Mohan Kumar, K. K. Sree Ganesh
Publikováno v:
Journal of Liquid Chromatography & Related Technologies. 35:1649-1661
This account details the structural modification of Calophyllolide 1, using Ritter reaction with various nitriles to study the antimicrobial properties. Ritter reaction of calophyllolide results in a 1:1 mixture of two structurally related compounds
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::60d34205bf9cf3857da083330a75ac98
https://doi.org/10.1080/10826076.2011.621155
https://doi.org/10.1080/10826076.2011.621155
Publikováno v:
Crystal Growth & Design. 9:4822-4829
Imiquimod free base 1, an immune response modifier, its hydrochloride salt 2, hydrochloride salt monohydrate 3, salts with maleic acid 4, fumaric acid 5, succinic acid 6, adipic acid 7, and 4-hydroxybenzoic acid 8 have been prepared and characterized
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e29bbe8d9f2c6062ad2ce67fdca442ae
https://doi.org/10.1021/cg900647y
https://doi.org/10.1021/cg900647y
Autor:
Pooja Guleria, Krishnamurthi Vyas, B. Selva Kumar, N. M. Sekhar, Palle V. R. Acharyulu, J. Moses Babu, T. Lakshmi Kumar, Peddy Vishweshwar, A. Sivalakshmidevi
Publikováno v:
Journal of Inclusion Phenomena and Macrocyclic Chemistry. 66:261-269
Host–guest complexes of Docetaxel 1, an anti-cancer drug have been isolated and crystal structures are described. Docetaxel crystallized in the 1:1 molar ratio with n-butanol, dimethylformamide (DMF) and acetonitrile (ACN) during crystallization fr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c31858c614e7835fa337ed4df6213864
https://doi.org/10.1007/s10847-009-9606-x
https://doi.org/10.1007/s10847-009-9606-x
Autor:
Krishnamurthi Vyas, B. Suresh Babu, B. Venkata Subbaiah, G. Sai Uday Kiran, J. Moses Babu, R. Vasu Dev, P. K. Dubey
Publikováno v:
Magnetic Resonance in Chemistry. 47:443-448
Three unknown impurities of Rabeprazole, a proton pump inhibitor, were formed in the formulated drug under the stress conditions, [40 degrees C/75% relative humidity (RH) for 6 months] with relative retention times (RRTs) 0.17, 0.22 and 0.28. The Imp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3eafe890d485af2f95b22ebb93b1dcfe
https://doi.org/10.1002/mrc.2404
https://doi.org/10.1002/mrc.2404
Autor:
Javed Iqbal, P. C. Sudhakar, Peddy Vishweshwar, Bukkapattanam R. Sreekanth, R. Srivijaya, Krishnamurthi Vyas, Moses Babu, P.K. Jayanthi
Publikováno v:
Journal of Molecular Structure. 885:45-49
Robustness of carboxylic acid–pyridine supramolecular heterosynthon was examined in three 1:2 binary co-crystals of 4,4′-bipyridine with monocarboxylic acids, (4,4′-bipyridine)·( dl -hydroxyphenylacetic acid)2, 1; (4,4′-bipyridine)0.5·(4-br
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f242ede348b2c297bd3b8de83ddd3597
https://doi.org/10.1016/j.molstruc.2007.10.003
https://doi.org/10.1016/j.molstruc.2007.10.003
Publikováno v:
CrystEngComm. 10:283-287
Tegaserod is shown to exist in the tautomeric form II in the free base and also in a monohydrate. The Tegaserod nicotinate salt has a 6-fold better aqueous solubility than the marketed Tegaserod maleate (form A, Zelnorm™).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ec4bad35391b55b90c79f8c02e36b00e
https://doi.org/10.1039/b714374p
https://doi.org/10.1039/b714374p
Autor:
Krishnamurthi Vyas, S. Ashok, Ganta Madhusudhan Reddy, B. Vijaya Bhaskar, K. Mukkanti, P. Pratap Reddy, J. Moses Babu, P. C. Sudhakar
Publikováno v:
Journal of Pharmaceutical and Biomedical Analysis. 45:201-210
Six impurities in pantoprazole sodium bulk drug substance were detected by a simple high performance liquid chromatographic method (HPLC) whose area percentage ranged from ∼0.05 to 0.34%. Liquid chromatography–mass spectrometry (LC–MS) was perf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::31791dfe2f4aedd966166afeabc935ab
https://doi.org/10.1016/j.jpba.2007.05.032
https://doi.org/10.1016/j.jpba.2007.05.032
Autor:
Krishnamurthi Vyas, Sunil Kumar Singh, K. Ravi Ganesh, R. Vasudev, Y. Koteswar Rao, K. Srinivas Rao, Javid Iqbal, J. Moses Babu, P. Praveen Kumar, V. Saibaba, S. Shivaramakrishna
Publikováno v:
European Journal of Medicinal Chemistry. 42:456-462
ortho-Acylation attempt of benzenesulfonamide afforded the corresponding hemiaminal as major product. The in situ reduction of the reaction mixture, reported herein, directly provided 2-hydroxyalkyl benzenesulfonamide, an important pharmacophoric ele
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::711589471c173cac42118e471172aa60
https://doi.org/10.1016/j.ejmech.2006.09.021
https://doi.org/10.1016/j.ejmech.2006.09.021
Autor:
Manojit Pal, R. Vasu Dev, Bukkapattanam R. Sreekanth, J. Moses Babu, Pazhanimuthu Annamalai, Venkateswara Rao Batchu, Sirisilla Raju, Nalivela Kumara Swamy, Khagga Mukkanti, Krishnamurthi Vyas, P. Rajender Kumar
Publikováno v:
Tetrahedron. 62:9554-9570
We herein report a highly convenient protocol for rapid construction of α-pyrone fused with thiophene. This includes one-pot and regioselective synthesis of 4,5-disubstituted and 5-substituted thieno[2,3- c ]pyran-7-ones, 6,7-disubstituted and 6-sub
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3c85c2290578fe561c33395aa77b9b51
https://doi.org/10.1016/j.tet.2006.07.095
https://doi.org/10.1016/j.tet.2006.07.095