Zobrazeno 71 - 80
of 121
pro vyhledávání: '"P. L. Nilantha Lakshman"'
Publikováno v:
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E, Vol 69, Iss 3, Pp o451-o451 (2013)
Acta Crystallographica Section E, Vol 69, Iss 3, Pp o451-o451 (2013)
In the title compound, C20H17N3O4, the central pyran ring adopts a boat conformation with the O atom and diagonally opposite C atoms displaced by 0.1171 (1) and 0.1791 (1) Å, respectively, from the mean plane defined by the other four atoms. The cop
Publikováno v:
Acta Crystallographica Section E, Vol 69, Iss 1, Pp o140-o141 (2013)
In the title E isomer of the racemic compound, C37H32F2N2O2, the pyridinone ring adopts a twisted half-chair conformation with the N atom deviating by −0.355 (3) Å and with the methylene C atom next to octahydroindolizine moiety deviating by 0.415
Autor:
Vijayaparthasarathi Vijayakumar, J. Suresh, S. Natarajan, B. Palakshi Reddy, J. Kalyana Sundar, P. L. Nilantha Lakshman
Publikováno v:
Acta Crystallographica Section E: Structure Reports
In the title compound, C(17)H(17)Cl(2)NO(2), the central 1,4-dihydro-pyridine ring adopts a flattened-boat conformation. The ethanone substituents of the dihydro-pyridine ring at positions 3 and 5 have synperiplanar (cis) or anti-periplanar (trans) c
Autor:
Masaaki Yasuda, Worapot Suntornsuk, Hirohide Toyama, Toki Taira, P. L. Nilantha Lakshman, Toshihiko Suganuma, Shinjiro Tachibana
Publikováno v:
Journal of industrial microbiologybiotechnology. 38(9)
An acid proteinase from Monascus purpureus No. 3403, MpuAP, was previously purified and some characterized in our laboratory (Agric Biol Chem 48:1637-1639, 1984). However, further information about this enzyme is lacking. In this study, we investigat
Autor:
Vijayaparthasarathi Vijayakumar, Jerad Suresh, P. Palakshi Reddy, T. Narasimhamurthy, P. L. Nilantha Lakshman
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 2, Pp o363-o363 (2010)
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E: Structure Reports
In the title compound, C19H21Cl2NO4, the dihydropyridine ring adopts a flattened boat conformation. The dichlorophenyl ring is oriented almost perpendicular to the planar part of the dihydropyridine ring [dihedral angle = 89.1 (1)°]. An intramolecul
Autor:
P. L. Nilantha Lakshman, Vijayaparthasarathi Vijayakumar, J. Kalyana Sundar, S. Natarajan, S. Sarveswari
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 1, Pp o228-o228 (2010)
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E: Structure Reports
The title compound, C17H12ClNO2, crystallizes with two molecules in the asymmetric unit. The main conformational difference between these two molecules is the dihedral angle between the phenyl ring and the quinoline ring system [70.5 (1)° and 65.5 (
Autor:
J. Kalyana Sundar, J. Suresh, Vijayaparthasarathi Vijayakumar, S. Natarajan, S. Sarveswari, P. L. Nilantha Lakshman
Publikováno v:
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E, Vol 66, Iss 1, Pp o169-o169 (2010)
Acta Crystallographica Section E, Vol 66, Iss 1, Pp o169-o169 (2010)
In the title compound, C18H14ClNO2, the quinoline ring system is planar (r.m.s. deviation = 0.032 Å) and the phenyl ring is twisted away from it by 57.5 (1)°. The crystal structure is stabilized by weak C—H...π interactions.
Autor:
V. Sudha Priya, S. Natarajan, P. L. Nilantha Lakshman, Vijayaparthasarathi Vijayakumar, J. Suresh
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 7, Pp o1530-o1530 (2009)
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E: Structure Reports
In the title compound, C(32)H(24)F(4)N(2)O, all four six-membered rings that constitute the diaza-adamantanone cage adopt chair conformations. Two of the four fluoro-phenyl substituents occupy axial positions and the other two occupy equatorial posit
Publikováno v:
Acta Crystallographica Section E: Structure Reports
In the title compound, C(18)H(20)N(2)O(3), the N-methyl-piperidone ring adopts a chair conformation. The pyrrolidine ring and the five-membered cyclo-pentane rings adopt envelope conformations. The five-membered ring of the ninhydrin system adopts an
Autor:
Jerad Suresh, T. Narasimhamurthy, P. L. Nilantha Lakshman, Vijayaparthasarathi Vijayakumar, B. Palakshi Reddy
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 4, Pp o916-o916 (2009)
Acta Crystallographica Section E: Structure Reports
Acta Crystallographica Section E: Structure Reports
In the title compound, C23H26O3, the three six-membered rings of the xanthene system are non-planar, having total puckering amplitudes, QT, of 0.443 (2), 0.202 (2) and 0.449 (2) Å. The central ring adopts a boat conformation and the outer rings adop