PYRIDINE RING
Synthesis and Evaluation of Antibacterial Activity of 1,3,4 Oxadiazoles Derivatives Containing Pyridine Ring
... Measurement of antimicrobial activity using agar well diffusion method The antimicrobial potential of compounds was evaluated according to their zone of inhibition against various pathog[r] ...
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4 [5 (4 Fluorophenyl) 1H imidazol 4 yl]pyridine
... In the title compound, C14H10FN3, the imidazole ring makes dihedral angles of 28.2 1 and 36.60 9 with the pyridine ring and the 4-fluorophenyl ring, respectively.. The pyridine ring form[r] ...
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Analysis of two [2]catenanes based on electron densities from invariom refinement and results from DFT calculations
... N(5) of the pyridine ring as a common acceptor. The third one (N(11)–H(11N) · · · N(41)) is intermolecular having the pyridine nitrogen atom of the thread as acceptor. As listed in Table 1 three ...
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Crystal structure determination of two pyridine derivatives: 4 [(E) 2 (4 methoxyphenyl)ethenyl] 1 methylpyridin 1 ium hexafluoro λ6 phosphane and 4 {(E) 2 [4 (dimethylamino)phenyl]ethenyl} 1 phenyl 1λ5 pyridin 1 ylium hexafluoro λ6 phosphane
... anion are disordered over two sets of sites with refined occupancy factors of 0.614 (7):0.386 (7). In compound (II), the cation comprises a pyridine ring attached to unsubstituted phenyl ring and a ...
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Crystal structure of 2 benzylamino 4 (4 methoxyphenyl) 6,7,8,9 tetrahydro 5H cyclohepta[b]pyridine 3 carbonitrile
... cycloheptane ring, which adopts a chair conformation. The central pyridine ring ...methoxyphenyl ring and a carbonitrile ...the pyridine ring, probably due to steric crowding ...
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tert Butyl N benzyl N [4 (4 fluorobenzoylmethyl) 2 pyridyl]carbamate
... the pyridine ring makes dihedral angles of ...phenyl ring (C1–C6), the carbamate plane and the 4-fluorophenyl ring (C18–C23), ...phenyl ring (C1–C6) makes dihedral angles of ...
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4 (E) But 1 enyl 2,6 dimethoxyphenyl nicotinate
... The molecule of (I) consists of two aromatic rings, viz. a pyridine ring present as a nicotinic acid fragment and a benzene ring forming the basic -asarone moiety. The least- squares planes of these ...
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Form II of adipic acid–nicotinohydrazide (1/2)
... the pyridine ring and carboxylic acid to be co- ...the pyridine ring is formed by a O—H···N hydrogen bond, as well as a C—H···O hydrogen bond, to form a R ...
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2 Carbamoyl 3 pyridyl benzoate
... independent molecules (A and B) per asymmetric unit. In both molecules, there is an intramolecular N—H N hydrogen bond and the two molecules are linked by C— H interactions. The main differences between the two molecules ...
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Bis(2,2′:6′,2′′ terpyridine)copper(II) diperchlorate hemihydrate
... central pyridine ring are signi®cantly shorter, giving a compressed octahedral geometry in agree- ment with the high-temperature structure expected by the previous EPR ...
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Crystal structure and DFT study of (E) 4 [({4 [(pyridin 2 ylmethylidene)amino]phenyl}amino)methyl]phenol
... benzene ring (C8–C13) and the terminal phenolic ring (C1–C6) being ...benzene ring (C8–C13) is situated in a trans position with respect to the terminal pyridine ring (N3/C15–C19); ...
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Concise Total Syntheses of (S)-Macrostomine and Cermizine D.
... the pyridine ring of the pyridinium ...phenyl ring of the ...the pyridine ring, 40 π-π stacking interactions and the chiral auxiliary direct the nucleophilic attack to one face of the ...
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3,6 Di 2 pyridinio 1,2,4,5 tetrazine diperchlorate
... There is half a molecule in the asymmetric unit and the other half is inversion related (Fig. 1). The bond distances and angles (Table 1) agree with those of the structure of Dptz (Klein et al., 1998). The structure ...
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N′ (But 2 enylidene)isonicotinohydrazide
... In the title Schiff base compound, C10H11N3O, the pyridine ring is twisted with respect to the mean plane containing the hydrazine chain, making a dihedral angle of 31.40 9.. The NH grou[r] ...
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Diphenylboron chelate of a pyridoxal hemiacetal with ethanol
... pyridine ring. An NÐH O hydrogen bond is formed between the protonated pyridine ring and the associated water molecule, and two OÐH O hydrogen bonds are formed using the water H ...
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A Comparative Study on the Structural and Vibrational Properties of Two Potential Antimicrobial and Anticancer Cyanopyridine Derivatives
... the pyridine ring and of the position of the C-C≡N group, as was also observed in the Section ...the pyridine ring while decrease the bond order values of the H and C atoms belonging to the ...
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Crystal structure of a 2:1 piroxicam–gentisic acid co crystal featuring neutral and zwitterionic piroxicam molecules
... The repeating motif of the hexameric unit is formed by one gentisic acid molecule hydrogen bonded to two piroxicam molecules, one of each conformation (i.e. neutral and zwit- terion). The non-zwitterionic form of ...
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tert Butyl N benzyl N (4 methyl 2 pyridyl)carbamate
... the pyridine ring makes dihedral angles of ...phenyl ring and the carbamate plane, respectively. The phenyl ring and the carbamate plane are nearly perpendicular to one another with a dihedral ...
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Crystal structure of fac aqua[(E) 4 (benzo[d]thiazol 2 yl) N (pyridin 2 ylmethylidene)aniline κ2N,N′]tricarbonylrhenium(I) hexafluoridophosphate methanol monosolvate
... and (c) shape-index, and (d) the fingerprint plot for the title complex. The red circles in (b) indicate patches of the same shape corresponding to contact areas of neighbouring complexes. The central ellipse in (c) ...
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3,6 Dibromo 9 (3 pyridylmethyl) 9H carbazole
... The carbazole ring is essentially planar, with mean deviations of 0.0138 Å. These values are consistent with those previously reported (Huang et al., 2005; Duan, Han et al., 2005 or Duan, Huang et al., 2005). The ...
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