Zobrazeno 1 - 10
of 32
pro vyhledávání: '"K. E. ManojKumar"'
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 4, Pp o415-o415 (2014)
In the title compound, C18H18N2O4S, the dihedral angle between the aromatic rings is 33.71 (9)° and an intramolecular C—H...O hydrogen bond closes an S(6) ring. In the crystal, molecules are linked by C—H...O and C—H...N hydrogen bonds to gene
Externí odkaz:
https://doaj.org/article/1b5a2ab4b12e438988b85827ec44501b
Autor:
S. Sreenivasa, M. S. Nanjundaswamy, K. E. Manojkumar, S. Madankumar, N. K. Lokanath, P. A. Suchetan
Publikováno v:
Acta Crystallographica Section E, Vol 70, Iss 2, Pp o124-o124 (2014)
The title compound, C8H6FNO2, is almost planar (r.m.s. deviation for the non-H atoms = 0.019 Å) and the conformation across the C=C bond is trans. The C and H atoms of the side chain are disordered over two sets of sites in a 0.56 (3):0.44 (3) ratio
Externí odkaz:
https://doaj.org/article/81016de31a3b4495a2b55ebf5de70382
Autor:
P. A. Suchetan, S. Sreenivasa, B. S. Palakshamurthy, K. E. ManojKumar, S Madan Kumar, N. K. Lokanath
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 10, Pp o1566-o1566 (2013)
In the title compound, C7H6F3NO2, all the non-H atoms except for one of the F atoms lie on a crystallographic mirror plane. In the crystal, the molecules are linked into inversion dimers by pairs of C—H...F interactions, forming R22(10) loops. Thes
Externí odkaz:
https://doaj.org/article/87a5da55d3914f2aba790b44565358d4
Autor:
S. Sreenivasa, H. C. Anitha, K. E. ManojKumar, J. Tonannavar, Yenagi Jayashree, P. A. Suchetan, B. S. Palakshamurthy
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 2, Pp o239-o239 (2013)
In the crystal structure of the title compound, C19H21F3N2O2S, the piperazine ring adopts a chair conformation. The dihedral angles between the mean plane of the piperazine ring and the tosyl and trifluoromethylphenyl rings are 74.52 (3) and 68.30 (2
Externí odkaz:
https://doaj.org/article/905659341b1a44d4aa1f0ced924c33c1
Autor:
S. Sreenivasa, K. E. ManojKumar, P. A. Suchetan, J. Tonannavar, Yashshwita Chavan, B. S. Palakshamurthy
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 2, Pp o185-o185 (2013)
In the title compound, C18H18F2N2O3S, the piperazine ring adopts a chair conformation. The dihedral angle between the sulfonyl-bound benzene ring and the best fit plane throught the six non-H atoms of the piperazine ring is 69.4 (2)°, while those be
Externí odkaz:
https://doaj.org/article/7fb063e0d7024e3f985966510133c233
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
Autor:
S. Sreenivasa, K. E. ManojKumar, T. Srinivasan, P. A. Suchetan, B. S. Palakshamurthy, D. Velumurgan
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 2, Pp o197-o197 (2013)
The title compound, C10H16N4, crystalizes with two molecules (A and B) in the asymmetric unit in which the dihedral angles between the piperidine and pyrimidine rings are 47.5 (1) and 10.3 (1)°. The four C atoms of the pyrimidine ring in one of the
Externí odkaz:
https://doaj.org/article/38caf52a14fc4344af399d6a1115b5a4
Autor:
S. Sreenivasa, K. E. Manojkumar, P. A. Suchetan, N. R. Mohan, B. S. Palakshamurthy, T. Srinivasan, D. Velmurgan
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 12, Pp o3370-o3370 (2012)
In the title compound, C13H8ClF4N, the dihedral angle between the benzene and pyridine rings is 59.8 (3)°. In the crystal, molecules are stacked in columns along the b axis through weak C—H...π interactions.
Externí odkaz:
https://doaj.org/article/248527cab91d4efbaf032a31daeb0125
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 12, Pp o3402-o3402 (2012)
The title compound, C7H7ClN2O, crystallizes with two independent molecules in the asymmetric unit. The compound adopts an E configuration across the C=N double bond, as the –OH group and the benzene ring are on opposite sides of the double bond whi
Externí odkaz:
https://doaj.org/article/7cbc3564d5c64fac9f0315205c983f6c
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 12, Pp o3347-o3347 (2012)
In the title compound, C10H20N4O3, the piperazine ring adopts a chair conformation. The molecule adopts an E conformation across the C=N double bond, with the –OH group and the piperazine ring trans to one another. Further, the H atom of the hydrox
Externí odkaz:
https://doaj.org/article/db502e14624f4c7aaed9c2276961290e