Ab initio and semiempirical calculations on the tautomeric equilibria of N-unsubstituted and N-substituted benzotriazoles

Bis(N-methylpiperidine betaine) hydrobromide: crystal structure and hydrogen bonding

Conformational flexibility and pseudosymmetric aggregation in a betainium salt hydrate

Conformational richness and multiple Z' in salt co-crystal of N-methylpiperidine betaine with N-methylpiperidine betaine hexafluorosilicate

scientific article published on 14 June 2008

Crystal and molecular structure of cytosine trichloroacetate

Crystal structure and vibrational spectrum of N-methylpiperidine betaine hexafluorosilicate

Deprotonation of N-phenacyl- and N-acetonyl-4-cyanopyridinium halides with 1,4-diazabicyclo[2,2,2]octane

scientific article published in December 2002

Experimental and quantum chemical evidences for C–H⋯N hydrogen bonds involving quaternary pyridinium salts and pyridinium ylides

scientific article published in November 2000

Generation and stability of N-phenacyl-4-R-pyridinium ylides in silicon polypodands

scientific article published in August 2004

Hydrogen bonds in 1:1 complex of piperidine-3-carboxylic acid with salicylic acid

Spectroscopic, structural and theoretical investigation of bis(4-trimethylammoniumbenzoate) hydroiodide hydrate.

scientific article

Strong hydrogen bonds in 1:1 and 2:1 complexes of pyridine betaine with strong acids

Structural, spectroscopic and theoretical studies of dimethylphenyl betaine complex with two molecules of 2,6-dichloro-4-nitro-phenol.

scientific article published on 16 October 2014

Structural, spectroscopic, and theoretical studies of a very short OHO hydrogen bond in bis(4-(N-methylpiperidinium)-butyrate) hydrobromide

Structure and FTIR spectra of 3 : 2 complexes of trimethylamine N-oxide and 4-dimethylamine-2,6-dimethylpyridine N-oxide with perchloric acid

Structure of and hydrogen bonding in a 3:2 inclusion compound of N -methylmorpholine betaine hydrochloride with acetonitrile

Structure, conformation and hydrogen bonding of some pyridiniumpropionate complexes

article published in 1998

The reaction of substituted N-phenacyl-pyridinium bromides in the pyridine ring with DABCO and DBU in water and DMSO. Kinetics and DFT studies

scientific article published in December 2004

X-ray, FT-IR and PM3 studies of hydrogen bonds in complexes of some pyridines with trifluoroacetic acid

X-ray, FTIR,1H and13C NMR, PM3 and AM1 studies of (N—H⋯N)+and (O—H⋯O)–hydrogen bonds in a complex of 1,8-diaminonaphthalene with maleic acid: proton cavity and basicity of proton sponges

X-ray, Fourier-transform infrared,1H and13C nuclear magnetic resonance, and PM3 studies of (N—H⋯N)+and (O—H⋯O)–intramolecular hydrogen bonds in a complex of 1,8-bis(dimethylamino)naphthalene with maleic acid

X-ray, phase transition, IR and Raman studies of the solid complex of bis(pyridine betaine)-sulphuric acid