Zobrazeno 1 - 10
of 68
pro vyhledávání: '"Vijith Kumar"'
Publikováno v:
Pharmaceutics, Vol 14, Iss 11, p 2321 (2022)
Crystal engineering of multi-component molecular crystals, cocrystals, is a subject of growing interest, thanks in part to the potential utility of pharmaceutical cocrystals as drug substances with improved properties. Whereas molecular cocrystals (M
Externí odkaz:
https://doaj.org/article/a196af5ae0ff4261a476fc809e113774
Autor:
S. Sreenivasa, N. R. Mohan, Vijith Kumar, B. S. Palakshamurthy, D. B. Arunakumar, P. A. Suchetan
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 11, Pp o1717-o1718 (2013)
In the title compound, C15H13F3N2O2·H2O, the dihedral angle between the benzene and pyridine rings is 74.97 (1)°. The –CF3 group attached to the benzene ring is syn to the C=O bond in the adjacent side chain. In the crystal, molecules are linked
Externí odkaz:
https://doaj.org/article/d36d3200cde945ba9a3ab07f6f1bb6c1
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 8, Pp o1263-o1263 (2013)
In the title compound, C15H15NO4S, the dihedral angle between the benzene rings is 88.87 (1)°. In the crystal, adjacent molecules form inversion dimers through pairs of strong N—H...O hydrogen bonds, generating R22(8) loops. Two C—H...π interac
Externí odkaz:
https://doaj.org/article/559cdb0298594623b5095e295afbbbbc
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 8, Pp o1232-o1232 (2013)
In the title compound, C15H15NO4S, the dihedral angle between the methyl- and methoxy-substituted benzene rings is 88.99 (12)°. An intramolecular C—H...O hydrogen bond occurs. In the crystal, adjacent molecules form inversion-related dimers throug
Externí odkaz:
https://doaj.org/article/7acfc9606bfa46aab43b782a65ce5c7f
Autor:
S. Sreenivasa, N. R. Mohan, Vijith Kumar, G. R. Mamatha, B. S. Palakshamurthy, P. A. Suchetan
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 8, Pp o1215-o1215 (2013)
In the title compound, C14H12ClNO4S, the dihedral angle between the chloro- and methoxy-substituted benzene rings is 87.40 (1)°. In the crystal, adjacent molecules form inversion-related dimers through strong N—H...O hydrogen bonds, generating R22
Externí odkaz:
https://doaj.org/article/0893b836cb0f465fadced9091b026883
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 2, Pp o266-o266 (2013)
In the title compound, C27H22N2O4, the dihedral angles between the central benzene ring and the cyanobenzene ring and the 2H-coumarin ring system (r.m.s. deviation = 0.014 Å) are 22.95 (11) and 75.59 (8)°, respectively. Both terminal C atoms of the
Externí odkaz:
https://doaj.org/article/d751d09d89da4da6ac77a162a124d593
Autor:
S. Sreenivasa, K. E. Manojkumar, P. A. Suchetan, N. R. Mohan, Vijith Kumar, B. S. Palakshamurthy
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 2, Pp o176-o176 (2013)
In the title compound, C20H19FN2O2, the dihedral angle between the aromatic rings is 62.1 (1)°, and those between the pyrazole ring and the fluorobenzene and benzoic acid rings are 52.1 (1) and 53.1 (1)°, respectively. In the crystal, molecules are
Externí odkaz:
https://doaj.org/article/d756150ac7124e37b66659a2620efd90
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 12, Pp o3490-o3490 (2012)
The asymmetric unit of the title compound, C14H11NO5, contains two independent molecules in which the dihedral angles between the benzene rings are 89.27 (16) and 77.14 (12)°. In the crystal, molecules are linked by O—H...O hydrogen bonds, generat
Externí odkaz:
https://doaj.org/article/fe9f5f1b62e14f0dbfb6c10c4bdcecde
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 12, Pp o3382-o3382 (2012)
In the title compound, C15H14O4, the dihedral angle between the benzene rings is 67.18 (8)°. The Ca—Cm—O—Ca (a = aromatic and m = methylene) torsion angle is 172.6 (3)° and an intramolecular O—H...O hydrogen bond generates an S(6) ring. In
Externí odkaz:
https://doaj.org/article/4bf9a424c33c4ee09cdc77e7f356401a
The idea of coded caching was introduced by Maddah-Ali and Niesen who demonstrated the advantages of coding in caching problems. To capture the essence of the problem, they introduced the $(N, K)$ canonical cache network in which $K$ users with indep
Externí odkaz:
http://arxiv.org/abs/2102.04797