Zobrazeno 1 - 10
of 55
pro vyhledávání: '"T. Yakaiah"'
Publikováno v:
ARKIVOC, Vol 2007, Iss 13, Pp 227-234 (2007)
Externí odkaz:
https://doaj.org/article/775c34189c1d4862979601abe9260829
Publikováno v:
Research on Chemical Intermediates. 41:3193-3199
An efficient single-pot strategy for 2-amino nicotinonitrile derivatives 5 has been developed by multi-component reaction of arylaldehydes 1, methylketones 2, malononitrile 3, and ammonium acetate 4 using tetrabutyl ammonium bromide as catalyst in aq
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a4d4a90e76dc0a09a3ddd3fb9de30352
https://doi.org/10.1007/s11164-013-1424-5
https://doi.org/10.1007/s11164-013-1424-5
Autor:
P. Shanthan Rao, U. S. N. Murthy, B. P. Venkat Lingaiah, A. Ravi Kumar, A. Chandra Shekhar, G. Sathaiah, T. Yakaiah, Banda Narsaiah, K. Raju
Publikováno v:
Medicinal Chemistry Research. 22:186-194
7-Trifluoromethyl-4-hydroxy quinoline-3-carboxylic acid ethyl ester was prepared from 3-amino benzotrifluoride and EMME. The hydroxyquinoline was reacted with amino acids to furnish amino acid funtionalised quinolines (5, 6, 7). The compounds were al
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e8c8ead16e1ba67beda7ec23cf812cf4
https://doi.org/10.1007/s00044-012-0020-3
https://doi.org/10.1007/s00044-012-0020-3
Autor:
B. P. V. Lingaiah, S. Gururaj, Balasubramanian Sridhar, T. Parthasarathy, Rajesh Pamanji, T. Yakaiah, L. R. Velatooru, Banda Narsaiah, C. Kurumurthy, J. Venkateswara Rao
Publikováno v:
Medicinal Chemistry Research. 21:4261-4273
The three component Grieco condensation of indazoles, aliphatic/aromatic aldehydes, and electron rich olefins in the presence of GdCl3 resulted in a novel pyrimidine fused indazoles in single pot under mild conditions. Representative examples were sc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6aafa908c4f7e2f6e1b77e997b2ea45c
https://doi.org/10.1007/s00044-011-9962-0
https://doi.org/10.1007/s00044-011-9962-0
Autor:
A. Chandra Shekhar, V. Luke Paul, T. Yakaiah, A. Raghuram Reddy, P. Shanthan Rao, Banda Narsaiah
Publikováno v:
Synthetic Communications. 40:3152-3158
A facile and an efficient strategy for the synthesis of multisubstituted pyrrole derivatives was developed using an unusual ring annulation of dialkyl acetylene dicarboxylic ester and α-amino acids with transition-metal oxides such as mercuric(II) o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::61e7c047db21b08a5698eccd1f945148
https://doi.org/10.1080/00397910903370675
https://doi.org/10.1080/00397910903370675
Autor:
G. Narahari Sastry, M. Raghu Prasad, A. Raghuram Rao, B. Sirisha, G. Gayatri, T. Yakaiah, Banda Narsaiah
Publikováno v:
European Journal of Medicinal Chemistry. 45:1739-1745
A series of novel N- and O- perfluoroalkyl triazole tagged thienopyrimidines 6a–c and 7a–d was synthesized in two steps from thienopyrimidin-4-ones 2 through O- and N-propargylated regioisomers 3a–i and 4a–i respectively. Compound 2 was react
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::91add4707e7ea7bb28883e50595bdc6c
https://doi.org/10.1016/j.ejmech.2009.12.075
https://doi.org/10.1016/j.ejmech.2009.12.075
Publikováno v:
ARKIVOC, Vol 2007, Iss 13, Pp 227-234 (2007)
Multi component condensation of an aryl aldehyde, acetyl chloride, acetonitrile and enolisable ketone in presence of Nafion-H, as an efficient, environment friendly heterogenous and recyclable catalyst for the one-pot synthesis of β-acetamido ketone
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f8110ccc1fe9cfcdc3e5ab277e68916a
https://doi.org/10.3998/ark.5550190.0008.d26
https://doi.org/10.3998/ark.5550190.0008.d26
Autor:
B. P. V. Lingaiah, T. Yakaiah, B. Sridhar, T. Parthasarathy, S. Gururaj, Banda Narsaiah, B. Ashok Kumar, B. Shireesha
Publikováno v:
Bioorganic & Medicinal Chemistry Letters. 17:3445-3453
A series of novel pyrimido[1,2-b]indazoles 5, 7 have been prepared from 3-trifluoromethyl-5-phenyl-2,6-dicyano anilines 1 via novel indazole regioisomers 3 and 4 through a facile strategy. Specific examples were evaluated for anticancer activity in v
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d7bfcaac1051444c901867d2c93c02db
https://doi.org/10.1016/j.bmcl.2007.03.087
https://doi.org/10.1016/j.bmcl.2007.03.087
Publikováno v:
Synthetic Communications. 36:3079-3084
Oxidative homo coupling of various arylmagnesium bromides in the presence of ZnBr2 gave the corresponding symmetrical biaryls in moderate to good yields at room temperature. An efficient method under mild conditions without the use of reoxidant is de
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9ecb465a7aff3389b86d290c1c51c9dd
https://doi.org/10.1080/00397910600775499
https://doi.org/10.1080/00397910600775499
Gadolinium(III) chloride: a novel and an efficient reagent for the synthesis of homoallylic alcohols
Publikováno v:
Tetrahedron Letters. 47:4315-4318
Carbonyl compounds efficiently undergo nucleophilic addition reactions with allylstannanes in the presence of GdCl 3 ·6H 2 O in acetonitrile under extremely mild reaction conditions to give the corresponding homoallylic alcohols in excellent yields
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dcb36f3bf89b0b44f270a46cbaacf377
https://doi.org/10.1016/j.tetlet.2006.04.124
https://doi.org/10.1016/j.tetlet.2006.04.124