Zobrazeno 1 - 10
of 633
pro vyhledávání: '"D Archana"'
Autor:
Sreeramapura D. Archana, Sabine Foro, Hemmige S. Yathirajan, Haruvegowda Kiran Kumar, Rishik Balerao, Ray J. Butcher
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 79, Iss 4, Pp 373-379 (2023)
The structures and Hirshfeld surface analysis of three salts of 1-(4-nitrophenyl)piperazine are discussed. In 4-(4-nitrophenyl)piperazin-1-ium salicylate (C10H14N3O2+·C7H5O3−), there are strong hydrogen bonds between cation and anion and the 4-nit
Externí odkaz:
https://doaj.org/article/c92bee3ecf0342a380616e502c1b43e5
Autor:
Sreeramapura D. Archana, Haruvegowda Kiran Kumar, Hemmige S. Yathirajan, Sabine Foro, Ray J. Butcher
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 10, Pp 1016-1027 (2022)
Eleven (4-phenyl)piperazinium salts containing organic anions have been prepared and structurally characterized, namely, 4-phenylpiperazin-1-ium 4-fluorobenzoate monohydrate, C10H15N2+·C7H4FO2−·H2O, 1; 4-phenylpiperazin-1-ium 4-bromobenzoate mono
Externí odkaz:
https://doaj.org/article/f95bdd23873749329546736a55d2fd12
Autor:
Sreeramapura D. Archana, Haruvegowda Kiran Kumar, Holehundi J. Shankara Prasad, Hemmige S. Yathirajan, Sean Parkin
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 78, Iss 10, Pp 1028-1033 (2022)
Synthesis and crystal structures of 1-benzoyl-4-(4-nitrophenyl)piperazine, C17H17N3O3, (I) and 1-(4-bromobenzoyl)-4-phenylpiperazine, C17H17BrN2O, (II) are described. Compounds I and II crystallize in the orthorhombic and monoclinic crystal systems w
Externí odkaz:
https://doaj.org/article/873deccceede48b6b9cc4cb5d25aaa34
Autor:
D. Archana, S. Prakasam
Publikováno v:
ICTACT Journal on Communication Technology, Vol 13, Iss 3, Pp 2767-2773 (2022)
As the use of swarm intelligence algorithms grows, so does the interest in placing nodes in a Wireless Sensor network. For this reason, the RSSI range model positioning algorithm has been replaced by a more accurate one. With the help of this paper,
Externí odkaz:
https://doaj.org/article/a40e87adbe464faebf44774af1bc4623
Autor:
Sriramapura D. Archana, Haruvegowda Kiran Kumar, Hemmige S. Yathirajan, Sabine Foro, Mohammed S. M. Abdelbaky, Santiago Garcia-Granda
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 11, Pp 1135-1139 (2021)
As part of our ongoing investigation on the chemical and biological properties of piperazinium salts, we synthesized three novel compounds: 1-ethylpiperazinium 3,5-dinitrobenzoate (I), 1-methylpiperazinium 3,5-dinitrobenzoate (II) and 1-methylpiperaz
Externí odkaz:
https://doaj.org/article/c12f3f2efcd14ff693d7e015f2bb5a62
Autor:
Sreeramapura D. Archana, Holalagudu A. Nagma Banu, Balakrishna Kalluraya, Hemmige S. Yathirajan, Rishik Balerao, Ray J. Butcher
Publikováno v:
IUCrData, Vol 7, Iss 11, p x221047 (2022)
The title compound, C29H25N3O3S, crystallizes in the monoclinic space group P21/n. The molecule contains a central four-ring system in which all of the rings are almost coplanar. Both the 4-methoxyphenyl ring and the prop-2-ynyloxy substituent are di
Externí odkaz:
https://doaj.org/article/770bf7b1c3be452aa68a203fa90d9e15
Autor:
Sreeramapura D. Archana, Holalagudu A. Nagma Banu, Balakrishna Kalluraya, Hemmige S. Yathirajan, Rishik Balerao, Ray J. Butcher
Publikováno v:
IUCrData, Vol 7, Iss 10, p x221003 (2022)
In the title compound, C28H22FN3OS, four rings are almost coplanar, with the fluorophenyl ring substantially twisted. In the extended structure, aromatic π–π stacking interactions between the pyrazole ring and the tolyl ring link the molecules in
Externí odkaz:
https://doaj.org/article/246c2d48907c44ceb53064e37324ff1e
Autor:
Sreeramapura D. Archana, Holalagudu A. Nagma Banu, Balakrishna Kalluraya, Hemmige S. Yathirajan, Rishik Balerao, Ray J. Butcher
Publikováno v:
IUCrData, Vol 7, Iss 9, p x220924 (2022)
In the title compound, C18H16N2O2, the phenyl and pyrazole rings subtend a dihedral angle of 22.68 (8)°. The packing of the title compound features aromatic π–π stacking and weak C—H...π interactions.
Externí odkaz:
https://doaj.org/article/eb731b38448a4a8892debc047759ca47
Autor:
Chayanna Harish Chinthal, Hemmige S. Yathirajan, Sreeramapura D. Archana, Sabine Foro, Christopher Glidewell
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 76, Iss 6, Pp 841-847 (2020)
Three salts containing the 4-(4-fluorophenyl)piperazin-1-ium cation have been prepared and structurally characterized. In 4-(4-fluorophenyl)piperazin-1-ium 2-hydroxy-3,5-dinitrobenzoate, C10H14FN2+·C7H3N2O7−, (I), the anion contains an intramolecu
Externí odkaz:
https://doaj.org/article/b99622c06e144a7e80ea43dc40609fd4
Autor:
Hemmige S. Yathirajan, Sriramapura D. Archana, Mohammed S. M. Abdelbaky, Sabine Foro, Santiago García-Granda, Haruvegowda Kiran Kumar
Publikováno v:
Acta Crystallographica Section E: Crystallographic Communications, Vol 77, Iss 11, Pp 1135-1139 (2021)
Digital.CSIC. Repositorio Institucional del CSIC
instname
Acta Crystallographica Section E: Crystallographic Communications
Digital.CSIC. Repositorio Institucional del CSIC
instname
Acta Crystallographica Section E: Crystallographic Communications
As part of our ongoing investigation on the chemical and biological properties of piperazinium salts, we synthesized three novel compounds: 1-ethylpiperazinium 3,5-dinitrobenzoate (I), 1-methylpiperazinium 3,5-dinitrobenzoate (II) and 1-m
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fc3b4ed8454baba6ed92068dec40c0d
https://doi.org/10.1107/s2056989021010689
https://doi.org/10.1107/s2056989021010689