Zobrazeno 1 - 10
of 78
pro vyhledávání: '"G. Narasimhulu"'
Publikováno v:
International Journal of Engineering Trends and Technology. 33:300-306
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::50ae780e9c7dbcb1669aaf32a159bd47
https://doi.org/10.14445/22315381/ijett-v33p258
https://doi.org/10.14445/22315381/ijett-v33p258
Autor:
K. Praveen Kumar, S. Satyanarayana, B. V. Subba Reddy, Ravirala Narender, G. Narasimhulu, P. Lakshmi Reddy
Publikováno v:
Tetrahedron Letters. 54:4892-4895
Microwave-induced cyclocondensation of methyl 2-(acetoxy(phenyl)methyl)acrylate with 2-aminopyridines under catalyst and solvent-free conditions has been achieved for a rapid synthesis of 3-substituted-2 H -pyrido[1,2- a ]pyrimidin-2-ones in good yie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab1711bb2996dcb7eaae6235c7471008
https://doi.org/10.1016/j.tetlet.2013.06.138
https://doi.org/10.1016/j.tetlet.2013.06.138
Publikováno v:
Tetrahedron Letters. 53:6091-6094
1-Aryl-3,4-dihydroisoquinolines undergo smooth acetoxylation/alkoxylation in the presence of 5 mol % Pd(OAc)2 and a stoichiometric amount of PhI(OAc)2 by means of C–H activation to produce the corresponding acetoxy- and alkoxy-1-aryl-3,4-dihydroiso
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8c48194cde5fd11926d8d3bfe3ae775
https://doi.org/10.1016/j.tetlet.2012.08.124
https://doi.org/10.1016/j.tetlet.2012.08.124
Autor:
P. Visweswara Rao, Aishah Adam, G. Narasimhulu, S. Rajeswara Reddy, Thopireddy Lavanya, K. Sathyavelu Reddy, K. Mallikarjuna
Publikováno v:
International Journal of Pharmacology. 8:382-388
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0024847ce9463dbd63fd149a3cb80512
https://doi.org/10.3923/ijp.2012.382.388
https://doi.org/10.3923/ijp.2012.382.388
Autor:
P. Pawan Chakravarthy, J. S. Yadav, B. V. Subba Reddy, G. Narasimhulu, B. Sridhar, Y. Vikram Reddy
Publikováno v:
Tetrahedron Letters. 53:3100-3103
A variety of aldehydes undergo a tandem acetalization and intramolecular Prins cyclization with pent-4-ene-1,2-diol in the presence of 5 mol % scandium triflate and 15 mol % p-toluenesulfonic acid (TsOH) in dichloroethane at 80 °C to produce the cor
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::140cd78269d1f35a386854fc52dd99ac
https://doi.org/10.1016/j.tetlet.2012.04.029
https://doi.org/10.1016/j.tetlet.2012.04.029
Publikováno v:
Synlett. 23:1364-1370
2-Aryl-4-quinazolinones undergo smooth acetoxylation in the presence of 5 mol% Pd(OAc)2 and a stoichiometric amount of PhI(OAc)2 via C–H activation to produce the corresponding acetoxy-substituted 4(3H)-quinazolinone derivatives in good yields with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c9ba05a2b309e1be894ae0d1b24a7882
https://doi.org/10.1055/s-0031-1290962
https://doi.org/10.1055/s-0031-1290962
Publikováno v:
Tetrahedron Letters. 53:1776-1779
The furan-2-yl(phenyl)methanol undergoes smooth aza-Piancatelli rearrangement with aryl amines in the presence of 0.03 mol % phosphomolybdic acid in acetonitrile under reflux conditions to afford the corresponding trans -4,5-disubstituted cyclopenten
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::d426674eaa25ab06d4c555314461aabd
https://doi.org/10.1016/j.tetlet.2012.01.115
https://doi.org/10.1016/j.tetlet.2012.01.115
Autor:
K. Praveen Kumar, Suggala Venkata Satyanarayana, B. V. Subba Reddy, Narender Ravirala, G. Narasimhulu, P. Lakshmi Reddy
Publikováno v:
Tetrahedron Letters. 53:1738-1741
Iodine is found to be a highly efficient catalyst for the three-component coupling (3CC) of aldehydes, β-naphthol, and 1,3-dimethylbarbituric acid under solvent-free conditions to afford the corresponding 8,10-dimethyl-12-aryl-12 H -naphtho[1′,2
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::02db6dfeebbd3c5c67de122b1932e466
https://doi.org/10.1016/j.tetlet.2012.01.096
https://doi.org/10.1016/j.tetlet.2012.01.096
Publikováno v:
Tetrahedron Letters. 51:1574-1577
A simple and efficient total synthesis of five-membered pyrrolidine, (+)-pseudohygroline is described. The key steps involved in this synthesis are highly stereoselective Prins cyclisation followed by reductive ring opening and hydroboration.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6a494c25df0607285c79c6da7961f55a
https://doi.org/10.1016/j.tetlet.2010.01.060
https://doi.org/10.1016/j.tetlet.2010.01.060
Autor:
K.V. Purnima, Bharatam Jagadeesh, P. Naresh, P. Narayana Reddy, J. S. Yadav, G. Narasimhulu, B. V. Subba Reddy, N. Sivasankar Reddy
Publikováno v:
Tetrahedron Letters. 51:244-247
Indoles undergo smooth alkylation with α- and β-pinenes in the presence of 20 mol % of anhydrous FeCl 3 under mild reaction conditions to produce a wide range of the corresponding 3-alkylated indoles in excellent yields with high trans-selectivity.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b8e2a1da7f7eb9495dacf0d3605bfc6d
https://doi.org/10.1016/j.tetlet.2009.10.128
https://doi.org/10.1016/j.tetlet.2009.10.128