N-H bond formation
Mixed- Ligand Phosphine and Arsine Complexes of Ruthenium (III) Ligated by Heterocyclic Thioamide
... imino proton in the ligand observed at δ 1.25 ppm is absent in the spectra of the complexes suggesting formation of Ru-N bond and deprotonation of N-H group on complexation. The ...
5
1,3 Bis{(E) [4 (dimethylamino)benzylidene]amino}propan 2 ol: chain structure formation via an O—H⋯N hydrogen bond
... direction. A structural overlay of the two independent mol- ecules (r.m.s. deviation for fitting all non-H atoms = 0.097 A ˚ ) is shown in Fig. 2. The disposition of the residues attached to the N2A and N2 ...
13
Dichloro(di 2 pyridylamine)gold(III) chloride
... the formation of intermolecular N—H Cl and C—H Cl hydrogen-bond interactions (Table 2), linking complex cations into layers parallel to the bc plane ...
6
C N bond formation in the reaction of nitrogen ions N+ with benzene molecules
... Although we make no direct determination of the neutral partners formed at the same time as the detected ionic species, we are able to deduce, at least in part, the contributing reaction channels from analysis of the ...
6
O vs N protonation of 1 dimethylaminonaphthalene 8 ketones : formation of a peri N–C bond or a hydrogen bond to the pi electron density of a carbonyl group
... with formation of a N – C bond between peri groups to give structures such as 12, with the length of the new bond controlled by steric interactions between substituents at the terminal atoms ...
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C–N bond formation between alcohols and amines using an iron cyclopentadienone catalyst
... Under these conditions, the conversion for the 48 h reaction was at least 99% provided an inert atmosphere was employed (entries 1 and 2). A reaction conducted in air gave <5% conversion to product (not shown) ...
5
1 [(5 Chloro 2 hydroxyphenyl)(phenyl)methyl] 2 (2 pyridyl) 1H benzimidazole
... OÐH N hydrogen bond and three weak CÐ H N interactions (two intra- and one intermolecular), leading to the formation of a helical chain of ...
11
N′ [(1E) 1 (2 Fluorophenyl)ethylidene]pyridine 3 carbohydrazide
... 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 molecules that ...
7
3,6 Dioxaoctane 1,8 diammonium bis(trichloroacetate)
... through N—H O and N—H Cl hydrogen bonds, resulting in the formation of hydrogen- bonded rings ...that N—H O bonds of the type N + O with matching pK a values of ...
6
Syntheses and Structure Elucidations of Ternary Metal [Cu/Co] Complexes with Nucleic Acid Constituents
... hydrogen bond interactions with the base nitrogen atoms the orientation of the coordinated bases is not favorable to enable the C-H···O hydrogen bond formation, but intermolecular hydrogen ...
16
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.
... The formation of protonated structures at AT is computed choosing the donor sites A1 and ...the bond lengths are shown in Table 4. The formation of -CH---O may not be ...of H + at A3 site ...
12
Crystal structure of bis[(phenylmethanamine κN)(phthalocyaninato κ4N)zinc] phenylmethanamine trisolvate
... donor N—H N hydrogen bond to a non-coordinating N20-benzylamine molecule which is folded to enable a donor N—H N hydrogen bond to an exocyclic-N atom of the ...
24
The importance of the N–H bond in Ru/TsDPEN complexes for asymmetric transfer hydrogenation of ketones and imines
... catalyst it was possible to establish that the level of the Ru -H species increased gradually and eventually remained constant at a maximum value (Figure 6); ca. 5h was required for 90% imine reduction. This would ...
6
4 (3 Methylanilino)pyridine 3 sulfonamide
... The title compound, (I), is an important intermediate in the preparation of torasemide, which belongs to a group of medications known as loop diuretics (Rollinger et al., 2002; Wouters et al., 2000). The structure of (I) ...
10
Risperidone chloride 2 5 hydrate: a new crystalline form
... Kennedy, J. S., Bymaster, F. P., Schuh, L., Calligaro, D. O., Nomikos, G., Felder, C. C., Bernauer, M., Kinon, B. J., Baker, R. W., Hay, D., Roth, H. J., Dossenbach, M., Kaiser, C., Beasley, C. M., Holcombe, J. ...
15
Synthesis, crystal structure, and non covalent interactions in ethyl 4 hydrazinobenzoate hydrochloride
... Melting points were determined on a digital IA-9100 ELECTROTHERMAL Fusiometer. IR spectra were recorded on a Shimadzu Model IR Prestige21 FT-IR Spectrometer in KBr pellets. NMR spectra were measured using a ...
25
(E) 2 [1 (1 Benzothiophen 3 yl)ethylidene]hydrazinecarbothioamide methanol hemisolvate
... The asymmetric unit of (I) contains four molecules, labeled A—D (Figs 1—4) and two methanol solvate molecules, with the complete assemblage shown in Fig. 5. Each molecule adopts an E configuration with respect to the ...
15
cis Bis(butylamine κN)bis[sulfadiazine(1−) κ2N,N′]copper(II) pentahydrate
... intermolecular N—H···N and N—H···O hydrogen bonds (Table ...The N—H···N hydrogen bond takes place between sdz ligands and it is seen that these hydrogen ...
8
3 Azaspiro[5 5]undecane 2,4 dione
... As an efficient intermediate in the preparation of gabapentin, the title compound, (I), plays an important role in the organic synthesis (Ferrari et al., 2004). Bond lengths and angles in (I) show normal values ...
7
Different intra and intermolecular hydrogen bonding patterns in (3S,4aS,8aS) 2 [(2R,3S) 3 (2,5 X2 benzamido) 2 (2,5 X2 benzoyloxy) 4 phenylbutyl] N tert butyldecahydroisoquinoline 3 carboxamides (X = H or Cl): compounds with moderate aspartyl protease inhibition activity
... were set to match those in (II): they are those expected based on the known starting materials. Each atom in the C1—C2— C3—C4 ‘backbone’ of (I) bears a different substituent: C1 is attached to a piperidine+cyclohexane ...
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