Oxygen atom
Solvent-free synthesis, characterization and antimicrobial studies of calcium and potassium complexes with some cephalosporin antibiotics
... through oxygen atom of the carboxylate anion, oxygen atom of nitrate ion and oxygen atom of carbonyl in both complexes due to similarity in structures of the antibiotics to give ...
8
N1 (4 Methylphenyl)piperidine 1,4 dicarboxamide
... nitrogen atom of the piperidine moiety and the oxygen atom of the secondary amide group (which also acts as acceptor for one set of N–H···O hydrogen ...the oxygen atom of its own ...
8
Crystal structure and identification of resonance forms of diethyl 2 (3 oxoiso 1,3 dihydrobenzofuran 1 ylidene)malonate
... the oxygen atom of the heterocyclic furan ring, and one of the carbonyl oxygen atoms of the diethyl malonate fragment carries a partial negative charge, which should lead to an electrostatic ...
9
Crystal structure and identification of resonance forms of diethyl 2 (3 oxoiso 1,3 dihydrobenzofuran 1 ylidene)malonate
... be made by the reaction of diethyl malonate with phthaloyl chloride. It is already known that acid chlorides react with diethyl malonate when treated with a combination of tri- ethylamine and a mild Lewis acid (magnesium ...
9
μ Hexatriacontaoxophosphatododecamolybdato bis[bis(1,10 phenanthroline)copper(II)]
... terminal oxygen atom and a bridging oxygen atom from opposite sides of the Keggin structure; this is the first example of a doubly supporting ...
17
Crystal structure of aqua 1κO {μ 2 [(2 hydroxyethyl)methylamino]ethanolato 2:1κ4O1,N,O2:O1}[μ 2,2′ (methylimino)diethanolato 1:2κ4O,N,O′:O]dithiocyanato 1κN,2κN chromium(III)copper(II)
... metal atom as well by a bridging O atom to the neighbouring metal ...nitrogen atom of the mdea ligand and atom N1 of the thiocyanato ligand in the basal plane, and by the remaining ...
10
Diammonium aqua(ethylenediaminetetraacetato)iron(II) trihydrate
... iron atom adopts a distorted pentagonal bipyramidal geometry with a hexadentate EDTA ligand and an aqua ...carboxylate oxygen atoms and two nitrogen atoms from the EDTA ion and one oxygen atom ...
11
Metallo – Bioactive Pyridopyrazolopyrimidine Complexes as a new Class for Anticancer Therapy
... nitrogen atom of pyrazole ring and hydroxyl oxygen atom attached to pyrimidine ring or the nitrogen atom of amide group of pyrimidine ring and carbonyl oxygen atom of amide group ...
12
Bis(2 benzamidobenzimidazolato κ2N1,O)(N,N dimethylformamide κO)copper(II)
... Cu(II) atom is surrounded by five atoms (Table 1): two molecules of the ligand are linked to the metal atom by one nitrogen atom and one oxygen atom for each moiety and one ...
9
8 Chloro 4 oxo 4H chromene 3 carbaldehyde
... formyl oxygen atom and the chlorine atom at the 8- position, but none is formed for 6-chloro-4-oxo-4 H -chromene-3-carbaldehyde between the formyl oxygen atom and the chlorine ...
9
Examining the validity and reliability of the Activities Specific Balance Confidence Scale 6 (ABC 6) in a diverse group of older adults
... many oxygen atoms available in nucleic acids and this selenium derivatization doesn’t cause significant struc- ture perturbation when replacing oxygen atoms in nucleic ...one oxygen atom with ...
141
CRYSTAL STRUCTURE AND CHARACTERIZATION OF NEUTRAL COBALT(III) 2,3-PYRIDINEDICARBOXYLATE COMPLEX
... Each ligand coordinates in a chelate mode through the pyridine nitrogen atom and an oxygen atom from one deprotonated 2-carboxylic acid group, forming a five-membered chelate ring (Figure 2). The ...
6
Structure of 7 hydroxy 3 (2 methoxyphenyl) 2 trifluoromethyl 4H chromen 4 one
... carbonyl oxygen atom O4 and near the hydroxyl ...hydrogen atom and O7 (that forms a C36—H36 O7 hydrogen contact) and with the carbon atom C7 of the chromone ring ...the oxygen ...
10
6 Chloro 7 methyl 4 oxo 4H chromene 3 carbaldehyde
... formyl oxygen atom and the chlorine atom at 8-position and type I halogen···halogen interaction between the chlorine atoms at 6-position are observed in 6,8-dichloro-4-oxochromene-3-carbaldehyde ...
9
6 Chloro 7 fluoro 4 oxo 4H chromene 3 carbaldehyde
... formyl oxygen atom and the chlorine atom at the 8-position and type I halogen···halogen interaction between the chlorine atoms at 6-position are observed in 6,8-dichloro-4-oxochromene-3-carbaldehyde ...
10
3 Chloro 4 fluoroanilinium picrate
... have oxygen atoms on nitro groups as ...the oxygen atom of the deprotonated hydroxyl group while the third nitrogen-bonded hydrogen atom forms a hydrogen bond to a nitro ...
9
19. Brindha Durairaj and Santhoshkumar Muthu
... The compounds Annomuricatin A, B, Annomuricin B, and Annonacin did not bind with the enzyme target site. Hence, these four compounds might be inactive against AgAChE enzyme. The calculations reveal that these compounds ...
7
Crystal structure of poly[[aqua(μ 2,3 dihydrothieno[3,4 b][1,4]dioxine 5,7 dicarboxylato κ2O5:O7)[μ di(pyridin 4 yl)sulfane κ2N:N′]zinc] 0 26 hydrate]
... O5 atom of the carboxyl ...O8 atom of the lattice water ...group oxygen atoms or the dioxine oxygen atom in the thiophene derivative with D A distances ranging between ...
9
6 Bromo 4 oxo 4H chromene 3 carbaldehyde
... formyl oxygen atom and the halogen atoms at 8-position are formed in those crystals in a similar ...any oxygen atom and the chlorine atom at 6- position in the crystal structure of ...
9
Di μ bromido bis[(diethyl ether κO)(2,4,6 trimethylphenyl)magnesium]: the mesityl Grignard reagent
... Mg atom to a three-coordinated O atom, a four-coordinated Mg atom to an aromatic C atom, and a four- coordinated Mg atom to a two-coordinated Br atom were retrieved from three ...
12