Zobrazeno 1 - 10
of 30
pro vyhledávání: '"K. Papi Reddy"'
Publikováno v:
Synthetic Communications. 43:26-33
An efficient, simple, and practical method has been developed for the deprotection of prenyl, geranyl, and phytyl ethers and esters of aromatic and aliphatic compounds using borontrifluoride–etherate (BF3 · OEt2) at room temperature in good to exc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6fb234ceb17902842f6ec347fdac843d
https://doi.org/10.1080/00397911.2011.589561
https://doi.org/10.1080/00397911.2011.589561
Autor:
Tadigoppula Narender, null Dharamsheela, Jayanta Sarkar, K. Papi Reddy, G. Madhur, Satinath Sarkar, Raj Kamal Tripathi
Publikováno v:
Synlett. 2011:1687-1692
A novel, efficient one-pot method has been developed to synthesize amphiphiles such as N-alkylated/N-allylated triethyl-amines and pyridinium salts for the first time from n-alcohols and naturally occurring terpenes (allyl alcohols) in good yields. T
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::089be4de43e6708a68f573bf9d44ca8e
https://doi.org/10.1055/s-0030-1260939
https://doi.org/10.1055/s-0030-1260939
Publikováno v:
Synthetic Communications. 41:1572-1583
Stilbene derivates (stilbenoids) are present in plants and show a wide range of biological activities and potential therapeutic value. In continuation of our natural product synthesis program, an efficient, simple, and practical method has been devel
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5f7457c03d71b461483cc675211a7c83
https://doi.org/10.1080/00397911.2010.488309
https://doi.org/10.1080/00397911.2010.488309
Publikováno v:
Journal of Natural Products. 73:747-750
A one-pot chemical process using BF(3).Et(2)O for the synthesis of a new class of 1(15--11) abeotaxanes from normal taxanes has been developed. The chemical structures of rearranged 1(15--11) abeotaxane were established by extensive 2D NMR spectrosco
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cc908e5a290cb636034d83daf4c5a26c
https://doi.org/10.1021/np900722j
https://doi.org/10.1021/np900722j
Publikováno v:
Synthesis. 2009:3791-3796
An efficient, simple, and practical method has been developed to regioselectively synthesize (E)-stilbenes and (E,E)-1,4-diphenylbuta-1,3-diene in good to excellent yields in the presence of boron trifluoride-diethyl ether complex as a catalyst in a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::999c76614ac31a6cc228a03ed5c0ea61
https://doi.org/10.1055/s-0029-1217010
https://doi.org/10.1055/s-0029-1217010
Publikováno v:
Synthetic Communications. 39:1949-1956
We have developed an efficient method to deacetylate the aromatic acetates using NaOAc in excellent yields and demonstrated the application of the procedure in the synthesis of natural products.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb01d9dd46cfbc84ba3d32f6a4602ba9
https://doi.org/10.1080/00397910802621731
https://doi.org/10.1080/00397910802621731
Publikováno v:
Tetrahedron Letters. 49:4409-4415
We have developed an efficient method to regioselectively deacetylate polyacetoxyacetophenones using BF 3 ·OEt 2 in excellent yields and demonstrated the application of the procedure in the synthesis of natural products.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ae57f4ecbb270b85d9e7ca5da6b0f6c2
https://doi.org/10.1016/j.tetlet.2008.05.020
https://doi.org/10.1016/j.tetlet.2008.05.020
Autor:
Tadigoppula Narender, K. Papi Reddy
Publikováno v:
Tetrahedron Letters. 48:7628-7632
In continuation of our program on synthetic chalcones, we have developed a simple and convenient method for the synthesis of chromanochalcones from prenylated chalcones in high yields by regioselective cyclization using BF 3 –Et 2 O.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fa5fffa790fa780980354f6e63d7c52f
https://doi.org/10.1016/j.tetlet.2007.08.124
https://doi.org/10.1016/j.tetlet.2007.08.124
Autor:
Tadigoppula Narender, K. Papi Reddy
Publikováno v:
Tetrahedron Letters. 48:3177-3180
Chalcones are secondary metabolites of terrestrial plants, precursors for the biosynthesis of flavonoids and exhibit various biological activities. Condensation of substituted acetophenones (2a–12a) with various aromatic aldehydes (1b–7b) in the
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a8af1441773c374cc53f4eebb1537384
https://doi.org/10.1016/j.tetlet.2007.03.054
https://doi.org/10.1016/j.tetlet.2007.03.054
Autor:
Philip Prathipati, A. K. Srivastava, Tanvir Khaliq, K. Papi Reddy, S.C. Agarwal, Tadigoppula Narender, Kanwal Raj, Anju Puri, Priti Tiwari, Ramesh Chander, Shweta Shweta
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 17:1808-1811
The plant Aegle marmelos belongs to the family of Rutaceae. From the leaves of A. marmelos an alkaloidal-amide, Aegeline 2, was isolated and found to have antihyperglycemic activity as evidenced by lowering the blood glucose levels by 12.9% and 16.9%
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::602b3d867ba7d9448dabd338d0677de0
https://doi.org/10.1016/j.bmcl.2006.12.037
https://doi.org/10.1016/j.bmcl.2006.12.037