3-(4-Chlorophenyl)-7-methyl-4-(4-methylphenyl)-1-oxa-2,7-diazaspiro[4.5]dec-2-en-10-one (2008)
D. Gayathri, D. Velmurugan, R. Ranjith Kumar, S. Perumal, K. Ravikumar
In the title compound, C21H21ClN2O2, the dihydroisoxazole ring adopts an envelope conformation and the piperidinone ring is in a chair conformation. The dihedral angle between the two benzene rings...
1-{2-[(Anthracen-10-yl)methyleneamino]phenyl}-3-phenylthiourea (2008)
D. Gayathri, D. Velmurugan, K. Ravikumar, S. Devaraj, M. Kandaswamy
The title compound, C28H21N3S, crystallizes with two molecules in the asymmetric unit. There are only very slight differences in the torsion angles between the two molecules. The two molecules are...
r-2,c-6-Bis(4-fluorophenyl)-t-3,t-5-dimethylpiperidin-4-one (2008)
D. Gayathri, D. Velmurugan, G. Aridoss, S. Kabilan, K. Ravikumar
In the title compound, C19H19F2NO, the piperidinone ring adopts a chair conformation. The crystal packing is stabilized by C—H...O and C—H...F intermolecular interactions, generating...
S. Sundaramoorthy, D. Gayathri, D. Velmurugan, M. Poornachandran, K. Ravikumar
The thiazolidine ring and the pyrrolidine ring in the title compound, C25H26N2O2S, both adopt an envelope conformation. The seven-membered ring has a twist-chair conformation. The crystal packing is...
N-(1-Acetyl-r-7,c-9-diphenyl-4,8-dithia-1,2-diazaspiro[5.4]dec-2-en-3-yl)acetamide (2008)
D. Gayathri, D. Velmurugan, S. Umamatheswari, S. Kabilan, K. Ravikumar
In the title compound, C22H23N3O2S2, the five-membered ring is planar and the C5S ring adopts a chair conformation. The crystal packing is stabilized by intermolecular N—H...O and C—H...O...
D. Gayathri, D. Velmurugan, G. Shanthi, P. T. Perumal, K. Ravikumar
In the title compound, C22H12N6O2·2H2O, the cyclopentene ring adopts an envelope conformation, with the spiro C atom bonded to the dicyano-substituted C atom deviating by...
3-(4-Methoxyphenyl)-6-(phenylsulfonyl)perhydro-1,3-thiazolo[3′,4′:1,2]pyrrolo[4,5-c]pyrrole (2008)
S. Sundaramoorthy, D. Gayathri, D. Velmurugan, K. Ravikumar, M. Poornachandran
In the title compound, C21H24N2O3S2, the three five-membered rings adopt envelope conformations. The dihedral angle between the two aromatic rings is 68.4 (1)°. C—H...O interactions...
3-[(E)-2,4-Dichlorobenzylidene]-1-methylpiperidin-4-one (2008)
D. Gayathri, D. Velmurugan, R. Ranjith Kumar, S. Perumal, K. Ravikumar
The piperidine ring of the title compound, C13H13Cl2NO, adopts an envelope conformation. Intermolecular C—H...O interactions link the molecules into a C(7) chain running along the b axis.
3-[(E)-4-Methoxybenzylidene]-1-methylpiperidin-4-one (2008)
D. Gayathri, D. Velmurugan, R. Ranjith Kumar, S. Perumal, K. Ravikumar
The piperidone ring of the title compound, C14H17NO2, adopts a half-chair conformation. The crystal packing is stabilized by intermolecular C—H...O interactions, which generate a C(8) chain...
Erlotinib hydrochloride: an anticancer agent (2008)
S. Selvanayagam, B. Sridhar, K. Ravikumar
In the cation of the title compound, C22H24N3O4+·Cl−, an active ingredient of the anticancer drug also known as Tarceva, the quinazoline ring system is planar within...
Learning dynamic prices in electronic retail markets with customer segmentation (2006)
Raju, CVL, Narahari, Y, Ravikumar, K
In this paper, we use reinforcement learning (RL) techniques to determine dynamic prices in an electronic monopolistic retail market. The market that we consider consists of two natural segments of...
Learning dynamic prices in electronic retail markets with customer segmentation (2006)
Raju, CVL, Narahari, Y, Ravikumar, K
In this paper, we use reinforcement learning (RL) techniques to determine dynamic prices in an electronic monopolistic retail market. The market that we consider consists of two natural segments of...
Lipoma of the sole: Usual tumor but unusual location (2006)
Sarda, D, Kothari, P, Adivarekar, P, Raghunath, D, Ravikumar, K, Kulkarni, B
Learning dynamic prices in electronic retail markets with customer segmentation (2006)
Raju, CVL, Narahari, Y, Ravikumar, K
In this paper, we use reinforcement learning (RL) techniques to determine dynamic prices in an electronic monopolistic retail market. The market that we consider consists of two natural segments of...
Learning dynamic prices in electronic retail markets with customer segmentation (2006)
Raju, CVL, Narahari, Y, Ravikumar, K
In this paper, we use reinforcement learning (RL) techniques to determine dynamic prices in an electronic monopolistic retail market. The market that we consider consists of two natural segments of...
Dynamic pricing models for electronic business (2005)
Narahari, Y, Raju, CVL, Ravikumar, K, Shah, Sourabh
Dynamic pricing is the dynamic adjustment of prices to consumers depending upon the value these customers attribute to a product orservice. Today's digital economy is ready for dynamic pricing;...
Dynamic pricing models for electronic business (2005)
Narahari, Y, Raju, CVL, Ravikumar, K, Shah, Sourabh
Dynamic pricing is the dynamic adjustment of prices to consumers depending upon the value these customers attribute to a product orservice. Today's digital economy is ready for dynamic pricing;...
Context-dependent conformation of diethylglycine residues in peptides (2000)
Kaul, R, Balaram, P, Banumathi, S, Velmurugan, D, Ravikumar, K, Rao, Balaji R
Diethylglycine (Deg) residues incorporated into peptides can stabilize fully extended $(C_5)$ or helical conformations. The conformations of three tetrapeptides Boc-Xxx-Deg-Xxx-Deg-OMe (Xxx = Gly,...
Context-dependent conformation of diethylglycine residues in peptides (2000)
Kaul, R, Balaram, P, Banumathi, S, Velmurugan, D, Ravikumar, K, Rao, Balaji R
Diethylglycine (Deg) residues incorporated into peptides can stabilize fully extended $(C_5)$ or helical conformations. The conformations of three tetrapeptides Boc-Xxx-Deg-Xxx-Deg-OMe (Xxx = Gly,...
Ramesh, R, Ravikumar, K, Kishore, *
The microstructure effect on dry friction and wear of steel En 31 was evaluated by SEM, Rockwell C hardness, and dry sliding tests, using various heat treatments (full annealing, normalizing, water...
Ramesh, R, Ravikumar, K, Kishore, *
The microstructure effect on dry friction and wear of steel En 31 was evaluated by SEM, Rockwell C hardness, and dry sliding tests, using various heat treatments (full annealing, normalizing, water...