Zobrazeno 1 - 10
of 25
pro vyhledávání: '"Geeta M. Kulkarni"'
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 6, Pp o1513-o1513 (2011)
In the title compound, C18H14O6S, the coumarin ring system is nearly planar, with a maximum out-of-plane deviation of 0.032 (2) Å. The dihedral angle between the benzene ring and the coumarin ring system is 32.41 (8)°. The crystal packing is stabil
Externí odkaz:
https://doaj.org/article/41a68174be4a405699a8881ad93625e5
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 1, Pp o258-o258 (2008)
The title compound, C16H11ClN2, displays a trans configuration across the C=N bond and a transoid arrangement across the quinoline ring and the azomethine C atom. This arrangement facilitates C—H...Cl interactions. The packing in the crystal struct
Externí odkaz:
https://doaj.org/article/b45506864d1c49609e9eb23d0a91f4f1
Autor:
Rajesh G. Kalkhambkar, N. Premkumar, G. Aridoss, Geeta M. Kulkarni, Yeon Tae Jeong, R. M. Bapset, Jagannath C. Kadakol
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 143:1075-1086
A series of new acrylic acid ethyl esters of quinolinones were synthesized from 4-(bromomethyl)quinolinones and screened for in vitro antimicrobial and in vivo analgesic and anti-inflammatory activities. Most of the compounds with chloro substitution
Autor:
Rajesh G. Kalkhambkar, Yeon Tae Jeong, R. M. Bapset, Geeta M. Kulkarni, G. Aridoss, T. Y. Mudaraddi, N. Premkumar
Publikováno v:
Monatshefte für Chemie - Chemical Monthly. 142:305-315
A series of new ethers of quinolinone linked with different substituted coumarins and benzofurans were synthesized from 4-(bromomethyl)quinolinones. All newly synthesized compounds were screened for their in vitro antibacterial and antifungal activit
Autor:
Rajesh G. Kalkhambkar, H. Shivkumar, Geeta M. Kulkarni, Chandrappa M. Kamanavalli, R. Nagendra Rao, Jagannath C. Kadakol
Publikováno v:
Journal of Sulfur Chemistry. 30:596-610
A series of new sulfides and sulfones of carbostyrils were synthesized and tested for their in vitro antimicrobial and in vivo analgesic activities. The results of a bioassay showed that these newly synthesized compounds exhibit potential antibacteri
Autor:
Thimmappa Venkatarangaiah Venkatesha, A. V. Shanbhag, Rajesh G. Kalkhambkar, Geeta M. Kulkarni, Radhakrishna Prabhu
Publikováno v:
Corrosion Science. 50:3356-3362
The corrosion inhibition effect of 4-{[(1Z)-(2-chloroquinolin-3-yl)methylene]amino} phenol (CAP), N -[(1Z)-(2-chloroquinolin-yl)methylene]- N -(4-methoxyphenyl)amine (CMPA) and N -[(1E)-(2-chloroquinolin-3-yl)methylene]- N -(4-nitrophenyl)amine (CNPA
Autor:
Geeta M. Kulkarni, N. Premkumar, Chung-Ming Sun, Rajesh G. Kalkhambkar, Chandrappa M. Kamanavalli, Syed Mohammed Basheeruddin Asdaq
Publikováno v:
European Journal of Medicinal Chemistry. 43:2178-2188
A series of new fluorinated coumarins and 1-aza coumarins have been synthesized and the presence of fluorine in these molecules and its effect on their anti-microbial, anti-inflammatory and analgesic activities are discussed. The results of bioassay
Publikováno v:
Synthetic Communications. 38:2929-2940
Hydrazine hydrate with acetic and propionic acids was an efficient reagent for acylation of primary and secondary amines at reflux temperatures. The reported one-pot method is high-yielding, simple, mild, and inexpensive.
Autor:
A. V. Shanbhag, Geeta M. Kulkarni, B. M. Praveen, Radhakrishna Prabhu, Rajesh G. Kalkhambkar, Thimmappa Venkatarangaiah Venkatesha
Publikováno v:
Materials Chemistry and Physics. 108:283-289
The corrosion inhibition effect of 3-[(E)-(phenylimino)methyl]quinoline-2-thione (PMQT), 3{(E)-[(4-chlorophenyl)imino]methyl}quinoline-2-thione (CPMQT) and 3{(E)-[(4-fluorophenyl)imino]methyl}quinoline-2-thione (FPMQT) on mild steel in 1 mol dm −3
Autor:
Geeta M. Kulkarni, Thimmappa Venkatarangaiah Venkatesha, Radhakrishna Prabhu, Rajesh G. Kalkhambkar, A. V. Shanbhag
Publikováno v:
Journal of Applied Electrochemistry. 38:279-287
The corrosion inhibition characteristics of N′-[(1E)-(4-hydroxy phenyl) methylene] isonicotinohydrazide (HIH) & N′-[(1E)-(4-hydroxyl-3-methoxy phenyl) methylene] isonicotinohydrazide (HMIH) on mild steel corrosion in 1 M hydrochloric acid were in