Zobrazeno 1 - 10
of 157
pro vyhledávání: '"P. Shanthan Rao"'
Publikováno v:
ARKIVOC, Vol 2007, Iss 13, Pp 227-234 (2007)
Externí odkaz:
https://doaj.org/article/775c34189c1d4862979601abe9260829
Autor:
V. V. V. N. S. Rama Rao, B. P. V. Lingaiah, G. Venkat Reddy, G. Ezikiel, R. Yadla, P. Shanthan Rao
Publikováno v:
ARKIVOC, Vol 2006, Iss 12, Pp 51-57 (2006)
Externí odkaz:
https://doaj.org/article/784370b4bfad4cb1a57a118f5fe4af24
Publikováno v:
ARKIVOC, Vol 2005, Iss 3, Pp 211-220 (2005)
Externí odkaz:
https://doaj.org/article/19600d16db034563bac193a6d52af5a0
Autor:
A. Ravi Kumar, U. S. N. Murthy, Y. K. Raju, G. Sathaiah, Banda Narsaiah, P. Shanthan Rao, K. Raju, A. Chandra Shekhar
Publikováno v:
Journal of Heterocyclic Chemistry. 52:235-242
An elegant synthetic strategy was adopted for the preparation of N-triazolo methyl substituted fluoroquinolones 4 and screened for their antimicrobial activity. The synthetic methodology starts from N-propargylation of ethyl 7-chloro-6-fluoro-4-hydro
Autor:
G. Santhosh Kumar, Banda Narsaiah, P. Sambasiva Rao, C. Kurumurthy, P. Shanthan Rao, B. Veeraswamy
Publikováno v:
Journal of Heterocyclic Chemistry. 52:75-79
A series of novel substituted 4-trifluoromethyl-pyridin-2-yl hydrazide derivatives 5 and 7-trifluoromethyl-1,2,4-triazolo[4,3-a]pyridine derivatives 6 were synthesized through a facile method in single step from 2-hydrazino-pyridine derivatives 4 and
Autor:
U. S. N. Murthy, G. Sathaiah, A. Ravi Kumar, Y. Kanaka Raju, V. Srimai, T. N. Parthasarathy, A. Chandra Shekhar, K. Raju, P. Shanthan Rao, M. Ramesh, Banda Narsaiah
Publikováno v:
Journal of Heterocyclic Chemistry. 51:E114-E122
Novel 1-carboxymethyl-6-fluoro-7-cyclic amino-substituted-4-oxo-1,4-dihydroquinolone-3-carboxylic acids 7a, 7b, 7c, 7d, 7e, 7f, 7g, 7h, 7i, 7j, 7k, 7l, 7m, 7n were synthesized as a new class of quinolones. Ethyl-6-fluoro-7-chloro-1,4-dihydro-4-quinol
Autor:
P. Sambasiva Rao, C. Kurumurthy, G. Santhosh Kumar, Banda Narsaiah, B. Veeraswamy, G. Malla Reddy, P. Shanthan Rao
Publikováno v:
Journal of Heterocyclic Chemistry. 51:E318-E322
A facile and an efficient protocol has been developed for the synthesis of novel 1,2,3-triazole substituted 4H-chromene derivatives 4 in single pot by multicomponent reaction of 1,3-cyclohexanedione, malononitrile and 1-substituted 1,2,3-triazole-5-a
Autor:
Aparna Devi Allanki, A. Chandra Shekhar, Puran Singh Sijwali, P. Shanthan Rao, Banda Narsaiah
Publikováno v:
European Journal of Medicinal Chemistry. 77:280-287
A series of novel N -alkyl dihydro pyrido quinoxaline derivatives were synthesized using Gould–Jacobs reaction and evaluated their antimalarial activity in vitro against chloroquine sensitive (3D7) and drug resistant (Dd2) strains of Plasmodium fal
Autor:
Srigiridhar Kotamraju, Banda Narsaiah, Santosh Karnewar, P. Nagendar, C. Kurumurthy, R. Naresh Kumar, G. Malla Reddy, P. Shanthan Rao
Publikováno v:
Journal of Heterocyclic Chemistry. 51:1531-1535
The 3-amino-6-(trifluoromethyl)furo[2,3-b]pyridine-2-carbohydrazide (5) was prepared from 3-cyano-6-trifluoromethyl-2(1H)pyridone (2) in series of steps via selective O-alkylation, Thorpe–Ziegler cyclization followed by reaction with hydrazine hydr
Autor:
A. Ravi Kumar, A. Chandra Shekhar, Banda Narsaiah, P. Shanthan Rao, P. V. S. S. Srinivas, G. Sathaiah, Kittur G. Ranga Raju
Publikováno v:
Journal of Heterocyclic Chemistry. 51:1504-1508
A versatile synthetic route for the preparation of 2,3,6-trisubstituted quinoxalines in excellent yield is developed from θ-diamines and 1,2-dicarbonyl compounds in which aqueous hydrofluoric acid was employed as the medium and catalyst. Other salie