Results 51 to 60 of about 1,343 (162)

THE INHIBITION OF SULPHANILAMIDE ACETYLATION BY AROMATIC AND HETEROCYCLIC CARBOXAMIDES AND CARBOXHYDRAZIDES

open access: yes, 1955
The acetylation of sulphanilamide by pigeon liver extracts was found to be markedly inhibited by amides of salicylic, 5-bromosalicylic, 5-methylsalicylic, and 6-aminonicotinic acids, and by hydrazides of benzoic, salicylic, 4-aminosalicylic, nicotinic ...
Willard J. Johnson
core   +1 more source

Синтез функционально замещенных сложных эфиров никотиновой и изоникотиновой кислот

open access: yes, 2020
Nicotinic (3-pyridinecarboxylic) acid is one of the most important vitamins as well as substance with versatile physiological activity, since it plays significant role in the human organism.
E. A. Dikusar   +5 more
core   +1 more source

Nuclear magnetic resonance

open access: yes, 2012
Podeu consultar el llibre complet a: http://hdl.handle.net/2445/32166This article reviews the principles and methods of nuclear magnetic resonance spectroscopy, and gives examples of applications carried out at our Facility, which illustrate the ...
Molins i Montserrat, Mª Antònia   +4 more
core  

A Study on the Interaction of Eu2+(aq) with Pyridinecarboxylic Acids

open access: yes, 1975
Europous ion forms with isonicotinic, N-methylisonicotinic, nicotinic, and picolinic acids one to one complexes having several features, which are rather unusual for a lanthanide ion.
Katakis, D., Vrachnou-Astra, E.
core  

Hydrogen-bonding in the structures of the 1:1 salts of isonipecotamide with a set of four polyfunctional monocyclic heteroaromatic carboxylic acids

open access: yes, 2012
The crystal structures of the 1:1 proton-transfer compounds of isonipecotamide (piperidine-4-carboxamide) with the monocyclic heteroaromatic carboxylic acids, isonicotinic acid, picolinic acid, dipicolinic acid and pyrazine-2,3-dicarboxylic acid have ...
Smith, Graham, Wermuth, Urs
core   +1 more source

Molecular orbital studies on nicotinic acid, nicotinamide and related compounds

open access: yes, 1978
Electronic structures of nicotinic, isonicotinic and 2-picolinic acids and their amides have been investigated, using the variable-? Pariser-Parr-Pople (PPP), iterative extended Hückel and MINDO/2 methods.
C.C. Patel   +5 more
core   +1 more source

Facile synthesis and vapochromic studies of Co(II) complexes bearing NO and OO donor ligands

open access: yes, 2016
Two Co(II) complexes containing malonic and isonicotinic acids have been prepared by manual grinding of stoichiometric amounts of the starting materials.
Olatunji, S.J.   +10 more
core   +1 more source

Electrochemical behavior of cadmium and antimony electrodes in sulfuric acid solutions containing pyridinemonocarboxylic acids

open access: yes, 1973
The increase of corrosion of Sb and Cd in the presence of pyridinemonocarboxylic acids is explained by their electrochem. behavior. Cd and Sb electrodes, in N H2SO4, contg. 0.1M concn.
GOZZI, Daniele, CAMPANELLA, Luigi
core  

ISONICOTINIC ACID [PDF]

open access: yesChemical & Engineering News Archive, 1952
openaire   +1 more source

Toksicheskoe dejjstvie novykh diacilgidrazinov i arilgidrazinov karboksilovykh kislot na domashhnjuju mukhu (Musca domestica L.)

open access: yes, 1967
The effect of 20 new hydrazine derivatives on Musca domestica was determined by topical application method. As standard hydrazides of the cyanoacetic and isonicotinic acids as well as hexochlorocyclohexane (BHC with isomer γ contents 99-100%, m.p.
Grzywacz, M.
core  

Home - About - Disclaimer - Privacy