Search Results - "KRISHNAKUMAR, R. V"

Isomorphous methyl- and chloro-substituted small heterocyclic analogues obeying the chlorine-methyl (Cl-Me) exchange rule by Rajni Swamy, V., Müller, P., Srinivasan, N., Perumal, S., Krishnakumar, R. V.

“…The two new isomorphous structures [3‐methyl‐4‐(4‐methylphenyl)‐1‐phenyl‐6‐trifluoromethyl‐1H‐pyrazolo[3,4‐b]pyridin‐5‐yl](thiophen‐2‐yl)methanone,…”
Get full text

Redetermined crystal structure of N-(β-carb-oxy-eth-yl)-α-isoleucine by Chandrarekha, M, Srinivasan, N, Krishnakumar, R V

“…Redetermination of the crystal structure of N-(β-carb-oxy-eth-yl)-α-isoleucine, C9H18N2O3, reported earlier by Nehls et al. [Acta Cryst. (2013), E69,…”
Get full text

Crystal structure of [4-(2-meth-oxy-phen-yl)-3-methyl-1-phenyl-6-tri-fluoro-methyl-1H-pyrazolo-[3,4-b]pyridin-5-yl](thio-phen-2-yl)methanone by Rajni Swamy, V, Gunasekaran, P, Krishnakumar, R V, Srinivasan, N, Müller, P

“…The title compound, C26H18F3N3O2S, a 2-meth-oxy-substituted derivative, is closely related to its 4-methyl- and 4-chloro-substituted analogues and yet displays…”
Get full text

Single Crystal XRD, Hirshfeld Surface, Quantum Chemical and Molecular Docking Studies on Diethyl1-(4-Nitrobenzyl)-4-(4-Nitrophenyl)-2,2-Dioxooctahydro-2-Pyrrolo[2,1-c]1,2Thiazine-1,3-Dicarboxylate: a Novel HIV-1Inhibitor by Sribala, R., Srinivasan, N., Premkumar, R., Rajalaksmi, P., Indumathi, S., Krishnakumar, R.V.

“…The single crystal of the title compound Diethyl 1-(4-nitrobenzyl)-4-(4-nitrophenyl)-2,2-dioxooctahydro-2-pyrrolo[2,1-c] 1,4 thiazine-1,3-dicarboxylate was…”
Get full text

dl-Alanine by Subha Nandhini, M., Krishnakumar, R. V., Natarajan, S.

“…A determination of the structure of the title compound, C3H7NO2, leads to an accurate description of its molecular dimensions and crystal packing. As in the…”
Get full text

Glycine sodium nitrate by Krishnakumar, R. V., Subha Nandhini, M., Natarajan, S., Sivakumar, K., Varghese, Babu

“…The glycine mol­ecule in the title compound, Na(NO3)·C2H5NO2, exists in the zwitterionic form. The Na atom exhibits eightfold coordination and the polyhedron…”
Get full text

Isomorphous diethyl 1-(4-chlorobenzyl)-4-(4-chlorophenyl)-2,2-dioxo-3,4,6,7,8,8a-hexahydro-1H-pyrrolo[2,1-c][1,4]thiazine-1,3-dicarboxylate and its 1-(4-methylbenzyl)-4-(4-methylphenyl)-substituted analogue obeying the chloro–methyl exchange rule by R. Sribala, N. Srinivasan, S. Indumathi, R. V. Krishnakumar

“…Accurate studies on the effect of substituents on the crystal packing are essential for understanding the intermolecular interactions and thus paving the way…”
Get full text

Glycinium oxalate by Subha Nandhini, M., Krishnakumar, R. V., Natarajan, S.

“…In the title compound, C2H6NO2+·C2HO4−, the glycine mol­ecule exists in the cationic form and the oxalic acid mol­ecule in the mono‐ionized state. The…”
Get full text

l-Prolinium tartrate by Subha Nandhini, M., Krishnakumar, R. V., Natarajan, S.

“…In the title salt, C5H10NO2+·C4H5O6−, proline exists as a cation and the tartaric acid as a semi‐tartrate anion. The semi‐tartrate ions form hydrogen‐bonded…”
Get full text

Isomorphous diethyl 1-(4-chloro-benz-yl)-4-(4-chloro-phen-yl)-2,2-dioxo-3,4,6,7,8,8a-hexa-hydro-1H-pyrrolo-[2,1-c][1,4]thia-zine-1,3-di-carboxyl-ate and its 1-(4-methyl-benz-yl)-4-(4-methyl-phen-yl)-substituted analogue obeying the chloro-methyl exchange rule by Sribala, R, Srinivasan, N, Indumathi, S, Krishnakumar, R V

“…Accurate studies on the effect of substituents on the crystal packing are essential for understanding the inter-molecular inter-actions and thus paving the way…”
Get full text

Supramolecular architectures of N-acetyl-L-proline monohydrate and N-benzyl-L-proline by Rajalakshmi, P., Srinivasan, N., Krishnakumar, R. V., Razak, Ibrahim Abdul, Rosli, Mohd Mustaqim

“…The title compounds, N‐acetyl‐L‐proline monohydrate, C7H11NO3·H2O, (I), and N‐benzyl‐L‐proline, C12H15NO2, (II), crystallize in the monoclinic space group P21…”
Get full text

Sarcosinium tartrate by Krishnakumar, R. V., Nandhini, M. Subha, Natarajan, S.

“…In the title compound, C3H8NO2+·C4H5O6−, the sarcosinium cation and semi‐tartrate anion are held together by a three‐dimensional network of O—H⃛O, N—H⃛O and…”
Get full text

Supramolecular sheets in (4H-chromeno[4,3-c]isoxazol-3-yl)methanol and its hydrated 8-methyl-substituted analogue at 100K by Rajalakshmi, P, Srinivasan, N, Krishnakumar, R. V, Razak, Ibrahim Abdul, Rosli, Mohd Mustaqim

“…The title compounds, (4H-chromeno[4,3-c]isoxazol-3-yl)methanol, C11H9NO3, (I), and (8-methyl-4H-chromeno[4,3-c]isoxazol-3-yl)methanol monohydrate,…”
Get full text

Crystal structures of 2′-benzoyl-1′-(4-methylphenyl)-1,1′,2,2′,5′,6′,7′,7a′-octahydrospiro[indole-3,3′-pyrrolizin]-2-one and 2′-(4-bromobenzoyl)-1′-(2-chlorophenyl)-1,1′,2,2′,5′,6′,7′,7a′-octahydrospiro[indole-3,3′-pyrrolizin]-2-one by Chandrarekha, M., Srinivasan, N., Kottala Vijaya, P., Siva, A., Krishnakumar, R. V.

“…The two title compounds, C 28 H 26 N 2 O 2 , (I), and C 27 H 22 BrClN 2 O 2 , (II), differ in their substituents, viz .4-methylphenyl and benzoyl rings in (I)…”
Get full text

Crystal structures of 2'-benzoyl-1'-(4-methyl-phenyl)-1,1',2,2',5',6',7',7a'-octa-hydro-spiro-[indole-3,3'-pyrrolizin]-2-one and 2'-(4-bromo-benzoyl)-1'-(2-chloro-phen-yl)-1,1',2,2',5',6',7',7a'-octa-hydro-spiro-[indole-3,3'-pyrrolizin]-2-one by Chandrarekha, M, Srinivasan, N, Kottala Vijaya, P, Siva, A, Krishnakumar, R V

“…The two title compounds, C H N O , (I), and C H BrClN O , (II), differ in their substituents, .4-methyl-phenyl and benzoyl rings in (I) replaced by…”
Get full text

Supramolecular networks in (9-fluoro-4H-chromeno[4,3-c]isoxazol-3-yl)methanol and its 9-chloro analogue at 100K by Rajalakshmi, P, Srinivasan, N, Krishnakumar, R. V, Razak, Ibrahim Abdul, Rosli, Mohd Mustaqim

“…The title compounds, (9-fluoro-4H-chromeno[4,3-c]isoxazol-3-yl)methanol, C11H8FNO3, (I), and (9-chloro-4H-chromeno[4,3-c]isoxazol-3-yl)methanol, C11H8ClNO3,…”
Get full text

1'-Benzylspiro-[chromene-2,4'-piperi-dine]-4-carbonitrile by Rajalakshmi, P, Srinivasan, N, Krishnakumar, R V

“…In the title compound, C(21)H(20)N(2)O, the piperidine ring adopts a chair conformation while the pyran ring adopts a screw-boat conformation. The piperidine…”
Get full text

4-Cyano- N -ethylspiro[chromene-2,4′-piperidine]-1′-carboxamide by Rajalakshmi, P., Srinivasan, N., Krishnakumar, R. V.

“…The title compound, C17H19N3O2, crystallizes with two independent molecules (A and B) in the asymmetric unit. In both molecules, the pyran ring has a twisted…”
Get full text

Synthesis and structural characterization of a calcium coordination polymer based on a μ3-bridging tetradentate binding mode of glycine by NATARAJAN, SUBRAMANIAN, SRINIVASAN, BIKSHANDARKOIL R, SUNDAR, J KALYANA, RAVIKUMAR, K, KRISHNAKUMAR, R V, SURESH, J

“…A new coordination polymer namely [[Ca 6 (H–gly) 12 (H 2 O) 18 ]Cl 12 ·6H 2 O] n ( 1 ) (H–gly = glycine) has been isolated from the calcium…”
Get full text

Crystal structure of 4-sulfamoylanilinium dihydrogen phosphate by Muthuselvi, C., Mala, N., Srinivasan, N., Pandiarajan, S., Krishnakumar, R. V.

“…In the crystal structure of the title molecular salt, C 6 H 9 N 2 O 2 S + ·H 2 PO 4 − , the sulfomylalinium cations and the dihydrogen phosphate anions form…”
Get full text