Hydrogen bond (H-bond)
On the Nature of the Hydrogen Bond and Biomolecular Solvation
... the hydrogen bond and its response to changing chemical and thermodynamic conditions is the key to understanding water’s many properties and ...the H-bond in the context of its bond ...
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N′ [(1E) 1 (2 Fluorophenyl)ethylidene]pyridine 3 carbohydrazide
... bifurcated hydrogen bond is formed between the amide H atom and the keto oxygen, O1 and imine nitrogen atom, N1 of an adjacent molecule which leads to formation of a hydrogen bonded chains of ...
7
Novel glitazones as PPARγ agonists: molecular design, synthesis, glucose uptake activity and 3D QSAR studies
... hydrophobic, H-bond donor, and H-bond acceptor descriptors were calculated and the fields generated were scaled by the CoMSIA-STD method in SYBYL-X ...the H-bond donor and ...
21
β D Gulose
... intermolecular hydrogen bond between the OH group at C-4 position of the neighboring molecule, and there are two additional hydrogen bonds with the OH groups at different C-1 positions in these two ...
7
2 Hydroxy (2 methyl 1H indol 3 ylmethylidene)benzohydrazide ethanol solvate
... hydroxy–amido hydrogen bond into a helical chain running along the b ...other hydrogen bonds; the ethanol solvent molecule is a hydrogen-bond donor to the amide group and a ...
8
N,N′ Bis(6 methyl 2 pyridyl)urea
... (D: hydrogen-bond donor; A: hydrogen-bond acceptor) recognition unit for quadruple hydrogen ...intramolecular hydrogen bond is formed connecting two N ...
7
Tetrel Bonds with -Electrons Acting as Lewis Bases –
... concern the tetrel bond if the Z-center of the Lewis acid unit is linked with the Lewis base critical 221. point or it may concern the hydrogen bond if the H-atom attractor of the Lewis[r] ...
15
International Journal of Research in Engineering and Science (IJRES) ISSN (Online): 2320-9364, ISSN (Print): 2320-9356 www.ijres.org Volume 6 Issue 4 Ver. I ǁ 2018 ǁ PP. 54-65 The Effect Of Proton And Water Molecule On Watson Crick Hydrogen Bonds And The Formation Of Cytosine(C)- Thymine(T) Base Pairs.
... of H + with the non Watson Crick(NWC) atomic sites in turn produces elongation of certain WC hydrogen ...of hydrogen bond lengths of WC base pair after protonation at certain atomic sites are ...
12
3,6 Dioxaoctane 1,8 diammonium bis(trichloroacetate)
... Cl hydrogen bonds, resulting in the formation of hydrogen- bonded rings ...The hydrogen-bonded rings are formed within a three-dimensional ...of hydrogen-bond donor and ...
6
Crystal structures of (E) 1 {3 [(5 fluoro 2 hydroxybenzylidene)amino]phenyl}ethanone and of a fourth polymorph of (E) 1 {3 [(2 hydroxy 3 methoxybenzylidene)amino]phenyl}ethanone
... O— H N hydrogen bond and the non-H atoms are effectively ...O hydrogen bond, although this is nowhere mentioned in the original report (De et ...
16
N,N,N′,N′ Tetramethylstreptamine 2,4,6 orthoformate hydrochloride
... three-centre hydrogen bond. The hydroxy group is itself involved in a hydrogen bond to the chloride ...non-classical hydrogen bonds (Table 2) links the residues to form a ...
11
N (2 Methoxyphenyl)phthalamic acid
... intramolecular hydrogen bond can be formed between the hydrogen of the amide moiety and a hydrogen bond acceptor at the 2-position of the ring adjacent to the amide carbonyl, as is ...
8
PHARMACOPHORE MAPPING AND VIRTUAL SCREENING ON HUMAN ALPHA AMYLASE INHIBITORS
... Site points are generated based on six pharmacophore features such as hydrogen bond donors, hydrogen bond acceptors, aromatic ring, hydrophobic groups, cations and anions. Site points are the ...
6
Comparative Study of Various Non-Nucleoside Reverse Transcriptase Inhibitors on Different Reverse Transcriptase Enzyme
... • In order to study the Anti HIV potential and to gauge the possible binding mode, a library of thiazolidinone analogues was docked into the active site of four different crystal structures of HIV -1 RTviz; 2ZD1, 1RT2, ...
7
2,2′ [(4 Methyl 2 phenylimidazolidine 1,3 diyl)bis(methylene)]diphenol
... intramolecular hydrogen bond distances were different (Table ...of hydrogen bonds depends on bond strength, these results indicated that the nitrogen atoms in the title compound are weaker ...
8
6 (2 Hydroxybenzoyl) 2 (4 methylphenyl) 5 methyl 7 phenylpyrazolo[1,5 a]pyrimidine: complex sheets built from C—H⋯N and C—H⋯O hydrogen bonds
... O hydrogen bond, but the supramolecular aggregation of (I) depends solely on rather long, and thus fairly weak, C—H N and C— H O hydrogen bonds (Table 2), which link the molecules into ...
9
Design, Synthesis and In-Silico Studies of Novel Chalcones as Anti-Prostate Cancer and Cathepsin B Inhibitors
... a hydrogen bond between the thiol and the carbonyl in the chalcone ...forming hydrogen bond interactions with Cys 29, Gly 73, Gly 198 in addition to Gly ...another hydrogen bond ...
11
Aqua{5,15 bis[4 (2 trimethylsilylacetylene)phenyl] 2,8,12,18 tetrakis(2 methoxycarbonylethyl) 3,7,13,17 tetramethyl 10,20 dioxoporphyrinato}zinc(II)
... molecules hydrogen bond to oxo groups of neighbouring chloro- phyllide units and also via a second water molecule to the carbonyl oxygen of a methyl ester side chain, forming one- dimensional polymers (Chow ...
20
(Z) 3 Hydroxy 6 [(2 methoxyphenylamino)methylene]cyclohexa 2,4 dienone
... In the structure of (I), there is weak a C—H interaction between C14—H14B and the C1–C6 benzene ring (Table 2). The perpendicular distance between atom H14B and the plane of the benzene ring is 2.52A ˚ . The ...
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{5,5′ Dihydroxy 2,2′ [o phenylenebis(nitrilomethylidyne)]diphenolato}nickel(II) dihydrate
... (4) ring motif involving a bifurcated hydrogen bond to the phenolate O atoms of the complex molecule. In the crystal structure, molecules are linked by – stacking interactions, with centroid–centroid ...
8