Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Nagarajan, Sulochana"'
Autor:
Rajasekaran Parthasarathy, Samson Jegan Jenniefer, Packianathan Thomas Muthiah, Nagarajan Sulochana
Publikováno v:
Acta Crystallographica Section E, Vol 68, Iss 2, Pp o536-o536 (2012)
In the title crystal structure, C10H16O2, inversion-related molecules are linked by pairs of O—H...O hydrogen bonds involving carboxyl groups to form R22(8) dimers. The cyclohexene ring displays a half-chair conformation.
Externí odkaz:
https://doaj.org/article/21e26c02002140539affbc9d532cb5e4
Autor:
Nagarajan Sulochana, Packianathan Thomas Muthiah, Samson Jegan Jenniefer, Rajasekaran Parthasarathy
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 10, Pp o2732-o2732 (2011)
In the crystal of the title compound C10H17NO, synthesized by the reaction of β-cyclocitral with hydroxylamine hydrochloride, inversion-related molecules are linked by a pair of O—H...N hydrogen-bonding interactions between the oxime functionaliti
Externí odkaz:
https://doaj.org/article/8750d5560e2844dfb997d2204daf3c7d
Dimethyl 2,2′-[(4-oxo-2-phenyl-4H-chromene-5,7-diyl)dioxy]diacetate: a less densely packed polymorph
Autor:
Nagarajan Sulochana, Buckle Jaswant, Nagarajan Vembu, Munirathinam Nethaji, Angannan Nallasivam
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 2, Pp o314-o315 (2009)
The title molecule, C21H18O8, crystallizes in two crystal polymorphs, see also Nallasivam, Nethaji, Vembu & Jaswant [Acta Cryst. (2009), E65, o312–o313]. The main difference between the two polymorphs is in the conformation of the oxomethylacetate
Externí odkaz:
https://doaj.org/article/4138a1102f3a46a387cb301066a3674d
Dimethyl 2,2′-[(4-oxo-2-phenyl-4H-chromene-5,7-diyl)dioxy]diacetate: a more densely packed polymorph
Autor:
Nagarajan Sulochana, Buckle Jaswant, Nagarajan Vembu, Munirathinam Nethaji, Angannan Nallasivam
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 2, Pp o312-o313 (2009)
The title molecule, C21H18O8, crystallizes in two crystal polymorphs, see also Nallasivam, Nethaji, Vembu & Jaswant [Acta Cryst. (2009), E65, o314–o315]. The molecules of both polymorphs differ by the conformation of the oxomethylacetate groups. Th
Externí odkaz:
https://doaj.org/article/b3fae61fb702415c8b39ad465246df28
Autor:
Angannan Nallasivam, Munirathinam Nethaji, Nagarajan Vembu, Venkatraman Ragunathan, Nagarajan Sulochana
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 1, Pp o1-o1 (2009)
In the title compound, C21H18O4, tthe dihedral angle between the chromene ring system and the pendant phenyl ring is 6.1 (1)°. The crystal structure is stabilized by an intermolecular C—H...O and C—H...π interactions.
Externí odkaz:
https://doaj.org/article/9d1c687d5f7d4f96acc12b44cdd9f72a
Autor:
Nagarajan Sulochana, Buckle Jaswant, Nagarajan Vembu, Munirathinam Nethaji, Angannan Nallasivam
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 12, Pp o2490-o2491 (2008)
In the title compound, C29H22O4, the chromene ring is almost planar with a small puckering [0.143 (2) Å]. The crystal structure is stabilized by C—H...O and C—H...π interactions. Edge-to-face (centroid–centroid distances of 3.894 and 3.673 Å
Externí odkaz:
https://doaj.org/article/f79a4e6fb19a4df1b2bf5aa55cef70ca
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 7, Pp o1306-o1307 (2008)
The 1,3-benzodioxole ring systems in the title compound, C22H22O8, are almost planar. The perhydrofurofuranyl system linking them adopts a distorted double-envelope conformation. Supramolecular aggregation is effected by C—H...O, C—H...π and π
Externí odkaz:
https://doaj.org/article/87ad123615d446359646ed53af2bdeb6
Autor:
Ramakrishnan, Malarvizhi1 malarvizhi1969@gmail.com, Nagarajan, Sulochana1 sulochan@nitt.edu
Publikováno v:
Acta Chimica Slovenica. 2009, Vol. 56 Issue 1, p282-287. 6p. 1 Black and White Photograph, 3 Charts, 5 Graphs.
Autor:
Rajasekaran, Parthasarathy, Samson Jegan, Jenniefer, Packianathan, Thomas Muthiah, Nagarajan, Sulochana
Publikováno v:
Acta Crystallographica Section E: Structure Reports
In the title crystal structure, C(10)H(16)O(2), inversion-related mol-ecules are linked by pairs of O-H⋯O hydrogen bonds involving carboxyl groups to form R(2) (2)(8) dimers. The cyclo-hexene ring displays a half-chair conformation.
Publikováno v:
Acta chimica slovenica
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=od______3825::2c5e675ec4449ee51262131db3158965
http://www.dlib.si/details/URN:NBN:SI:doc-Y57TA7F8
http://www.dlib.si/details/URN:NBN:SI:doc-Y57TA7F8