Výsledky vyhledávání - "B. Gangadasu"

Synthesis, photochemical E (trans)→Z (cis) isomerization and antimicrobial activity of 2-chloro-5-methylpyridine-3-olefin derivatives

Autor: M. Janaki Ram Reddy, Mettu Ravinder, B. Gangadasu, K. Pranay Kumar, V. Jayathirtha Rao, S. Bharat Kumar ., U. S. N. Murthy, B. China Raju

Publikováno v: European Journal of Medicinal Chemistry. 44:4661-4667

2-Chloro-5-methylpyridine-3-olefin derivatives ( 3a - e ) have been synthesized from 2-chloro-5-methylnicotinaldehyde ( 1 ) and studied their photochemical E ( trans ) → Z ( cis ) isomerization upon direct irradiation and triplet sensitized excitat

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b54156babe256aafbb63024ba975a122
https://doi.org/10.1016/j.ejmech.2009.07.002

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Facile and selective synthesis of chloronicotinaldehydes by the Vilsmeier reaction

Autor: P. Narender, B. Gangadasu, Mettu Ravinder, V. Jayathirtha Rao, S. Bharath Kumar, B. Ananda Rao, B. China Raju, Ch. Ramesh

Publikováno v: Tetrahedron. 62:8398-8403

Eleven enamides were prepared by adopting different procedures. The various enamides prepared were subjected to Vilsmeier reaction using (i) POCl3/DMF; (ii) diphosgene/DMF; (iii) triphosgene/DMF leading to the formation of various multisubstituted ch

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::bacd78fd24c3f41b325bf47da6fee79e
https://doi.org/10.1016/j.tet.2006.06.026

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Baylis–Hillman adducts between pyridine carboxaldehyde derivatives and cyclic enones

Autor: V. Jayathirtha Rao, P. Narender, B. Gangadasu, Mettu Ravinder, U. Srinivas, Krishnan Ravikumar, G. Y. S. K. Swamy

Publikováno v: Tetrahedron. 62:954-959

Baylis–Hillman (BH) adducts were synthesized using pyridinecarboxaldehyde derivatives and cyclic enones. The Baylis–Hillman reaction was examined by employing various organic tertiary bases and solvents. It was observed that DBU in MeOH as well a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c52b600bfee5ecff4e6946417f51df4e
https://doi.org/10.1016/j.tet.2005.10.032

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Anti-malarial activity of Baylis–Hillman adducts from substituted 2-chloronicotinaldehydes

Autor: B. Gangadasu, V. Jayathirtha Rao, P. Narender, U. Srinivas, Sukla Biswas

Publikováno v: Bioorganic & Medicinal Chemistry Letters. 15:5378-5381

New Baylis–Hillman adducts are synthesized based on substituted 2-chloronicotinaldehydes and screened for their in vitro anti-malarial activity against chloroquine sensitive and chloroquine resistant Plasmodium falciparum . Out of the six new compo

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ed2236c2be43bd787566dcf59e440c93
https://doi.org/10.1016/j.bmcl.2005.09.008

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