Results 1 to 10 of about 97,443 (299)
Piperazine skeleton in the structural modification of natural products: a review
Journal of Enzyme Inhibition and Medicinal Chemistry, 2021 Piperazine moiety is a cyclic molecule containing two nitrogen atoms in positions 1 and 4, as well as four carbon atoms. Piperazine is one of the most sought heterocyclics for the development of new drug candidates with a wide range of applications. Over
Run-hui Zhang, Jinzi Li, Zhe-Shan Quan
exaly +3 more sources
Synthesis, Characterization, Computational Studies, and Evaluation of Neuroprotective Effects of New Piperazine Compounds [PDF]
Iranian Journal of Chemistry & Chemical Engineering, 2021 The new piperazine-based Schiff base hydrazone with N, O donor set of atoms, LPE, has been prepared by the condensation reaction of new piperazine-based diamine, APE, with salicylaldehyde.
Malihe Erfantalab +3 more
doaj +1 more source
Development of heavy metal-based nanostructured complex technology for use in building mortar [PDF]
Нанотехнологии в строительстве, 2022 : Introduction. Heavy metals (copper, zinc, nickel, lead, chromium, cobalt, cadmium) get into constructional materials with natural and man-made raw materials.
Vladimir M. Ilin +3 more
doaj +1 more source
Synthetic route towards 1,2,3,4-tetrahydroquinoxaline/piperidine combined tricyclic ring system [PDF]
Journal of the Serbian Chemical Society, 2022 The synthetic route toward novel tricyclic, nitrogen-containing system is disclosed. Three novel compounds possessing structural features of 1,2,3,4-tetrahydroquinoxaline and decahydropyrido[3,4-b]pyrazine are synthesized starting from readily available ...
Krunić Mihajlo J. +3 more
doaj +1 more source
Acta Crystallographica Section E: Crystallographic Communications, 2022 The crystal structure of the adduct piperazine-1,4-diium 3,5-dinitro-2-oxidobenzoate–piperazine–water (2/1/2) shows the existence of a 3,5-dinitrosalicylate dianion (DNSA2−) and a protonated piperazine-1,4-diium cation (PIP2+) along with a piperazine ...
Veerappan Subha +4 more
doaj +1 more source
Membranes, 2023 Acetaldehyde (CH3CHO) in the atmosphere is associated with adverse health effects. Among the various options for use in removing CH3CHO, adsorption is often employed because of its convenient application and economical processes, particularly when using ...
Yu-Jin Kang +7 more
doaj +1 more source
5,5′-(Piperazine-1,4-diyl)bis(4-chloro-3H-1,2-dithiol-3-one)
Molbank, 2022 Conjugates of 3H-1,2-dithiol-3-ones with various biologically active compounds are intensively investigated. Although many derivatives of this class have been described in the literature, the compounds containing two dithiole cycles have been explored ...
Vladimir A. Ogurtsov, Oleg A. Rakitin
doaj +1 more source
Oxidation of some Alicyclic Amines by Potassium Hexacyanoferrate (III) in Alkaline Medium: A Kinetic and Mechanistic Study [PDF]
مجلة جامعة النجاح للأبحاث العلوم الطبيعية, 2001 Oxidation of some alicyclic amines (morpholine, piperazine and piperidine) by potassium hexacyanoferrate(???) in basic medium has been investigated at 35°C.
M. M. Al-Subu +4 more
doaj +1 more source
International Journal of Electrochemical Science, 2019 Three products are synthesized by adjusting current density and quantity of ionic liquid [Bmim][PF6] in electrochemical oxidation of piperazine. The molecular structures of N-methoxyl piperazine, N- carbonyl piperazine and N, N’-dicarbonyl piperazine are
Jun Zhao +7 more
doaj +1 more source
Poly(amidoamine)s synthesis, characterisation and interaction with BSA [PDF]
, 2014 Cationic poly(amidoamine)s (PAAs) were synthesised and characterised by NMR and gel permeation chromatography. Their thermal properties were investigated using thermogravimetric analysis and differential scanning calorimetry.
Akinc +45 more
core +1 more source