Results 21 to 30 of about 57,654 (217)

Crystal structures of five (2-chloroquinolin-3-yl)methyl ethers: supramolecular assembly in one and two dimensions mediated by hydrogen bonding and π–π stacking

Acta Crystallographica Section E: Crystallographic Communications, 2015
In the molecules of the title compounds, methyl 5-bromo-2-[(2-chloroquinolin-3-yl)methoxy]benzoate, C18H13BrClNO3, (I), methyl 5-bromo-2-[(2-chloro-6-methylquinolin-3-yl)methoxy]benzoate, C19H15BrClNO3, (II), methyl 2-[(2-chloro-6-methylquinolin-3-yl ...
Haliwana B. V. Sowmya, Tholappanavara H. Suresha Kumara, Nagendrappa Gopalpur, Jerry P. Jasinski, Sean P. Millikan, Hemmige S. Yathirajan, Christopher Glidewell   +6 more
doaj   +1 more source

1-Methyl-3-(2-methylphenyl)-4-phenyl-1H-pyrazolo[3,4-d]pyrimidine

IUCrData, 2017
In the title compound, C19H16N4, the pyrazolopyrimidine unit is slightly twisted. A combination of π-stacking and offset π-stacking interactions forms columns along the b-axis direction.
Mohamed El Hafi, Mohammed Boulhaoua, Youssef Ramli, Mohammed Benchidmi, El Mokhtar Essassi, Joel T. Mague   +5 more
doaj   +1 more source

N-Methyl-N-nitroso-p-toluenesulfonamide

Acta Crystallographica Section E, 2014
The crystal structure of the title compound, C8H10N2O3S, displays predominant C—H...O hydrogen-bonding and π–π stacking interactions. The hydrogen bonds are between the O atoms of the sulfonyl group and H atoms on methyl groups.
Kartik Rai, Vincent Wu, Priya Gupta, David A. Laviska, Benny C. Chan   +4 more
doaj   +1 more source

Molecular design of orthogonal stacking system at the complex interface of HtrA PDZ domain with its peptide ligands [PDF]

Journal of the Serbian Chemical Society, 2019
The high temperature requirement A (HtrA) protease plays a crucial role in protein quality control and cell fate. The enzyme contains a catalytic protease domain and a regulatory PDZ domain; the latter determines the substrate specificity of the former ...
Zhang Dingwa, He Deyong, Pan Xiaoliang, Xu Yaping, Liu Lijun   +4 more
doaj   +1 more source

3-Methyl-5-(4-methylphenoxy)-1-phenyl-1H-pyrazole-4-carbaldehyde

IUCrData, 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.
Sreeramapura D. Archana, Holalagudu A. Nagma Banu, Balakrishna Kalluraya, Hemmige S. Yathirajan, Rishik Balerao, Ray J. Butcher   +5 more
doaj   +1 more source

Crystal structure and Hirshfeld surface analysis of (E)-2-(2,4,6-trimethylbenzylidene)-3,4-dihydronaphthalen-1(2H)-one

Acta Crystallographica Section E: Crystallographic Communications, 2019
A novel chalcone, C20H20O, derived from benzylidenetetralone, was synthesized via Claissen–Schmidt condensation between tetralone and 2,4,6-trimethylbenzaldehyde.
Cemile Baydere, Merve Taşçı, Necmi Dege, Mustafa Arslan, Yusuf Atalay, Irina A. Golenya   +5 more
doaj   +1 more source

Supramolecular organic frameworks with ultralong phosphorescence via breaking π-Conjugated structures

Giant, 2020
Development of crystalline porous materials with luminescent properties have gradually attracted attention for their potential applications in drug delivery, bioimaging, photoelectronic and so on.
Wei Yao, Chaoqun Ma, Huili Ma, Lishun Fu, Song Lu, Anqi Lv, Suzhi Cai, Xiaochun Hang, Manjeet Singh, Huifang Shi, Zhongfu An, Wei Huang   +11 more
doaj   +1 more source

Design, synthesis and SAR studies of novel tacrine derivatives as potent cholinesterase inhibitors

European Journal of Medicinal Chemistry Reports, 2022
A series of tacrine-2-amide derivatives were synthesized and biologically evaluated for their acetylcholinesterase (AChE) inhibition studies. All synthesized compounds showed a good potency less than 100 ​nM.
Bhushanarao Dogga, Eeda Koti Reddy, C.S. Sharanya, J. Abhithaj, K.G. Arun, C.S. Ananda Kumar, K.S. Rangappa   +6 more
doaj   +1 more source

A dibenzofuran derivative: 2-(pentyloxy)dibenzo[b,d]furan

IUCrData, 2018
The title compound, C17H18O2, crystallizes in two-dimensional sheets, in which the 2-(pentyloxy)dibenzo[b,d]furan molecules are arranged in a head-to-head and tail-to-tail fashion that enables hydrophobic interactions between fully extended 2-pentoxy ...
Navneet Goyal, James P. Donahue, Camilla Do, Timothy Perry, Kyla Bongay-Williams, Maryam Foroozesh   +5 more
doaj   +1 more source

Influence of perylenediimide–pyrene supramolecular interactions on the stability of DNA-based hybrids: Importance of electrostatic complementarity

Beilstein Journal of Organic Chemistry, 2014
Aromatic π–π stacking interactions are ubiquitous in nature, medicinal chemistry and materials sciences. They play a crucial role in the stacking of nucleobases, thus stabilising the DNA double helix.
Christian B. Winiger, Simon M. Langenegger, Oleg Khorev, Robert Häner   +3 more
doaj   +1 more source