Topic
Morpholine
About: Morpholine is a research topic. Over the lifetime, 5411 publications have been published within this topic receiving 51063 citations. The topic is also known as: diethylene imidoxide & diethylene oximide.
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TL;DR: It is proposed that phenylhydrazine condenses with periodate-engendered sialic acid monoaldehydes to yield the corresponding phenylHydrazone and withperiodate-ENGendered dialdehydes with corresponding morpholine or azido derivatives to yieldThe PAPS reaction is a generalized phenomenon independent of the hydrazine or hydrazide used, the nature of the Schiff reagent or the presence of anionic groups.
Abstract: Histochemical investigations of the periodic acid-phenylhydrazine-Schiff (PAPS) procedure were carried out on tissues containing carbohydrate macromolecules known to produce on periodate oxidation, only sialic acid monoaldehydes or hexosedialdehydes or mixtures of the two. The results indicated that the PAPS reaction is a generalized phenomenon independent of the hydrazine or hydrazide used, the nature of the Schiff reagent or the presence of anionic groups. It is proposed that phenylhydrazine condenses with periodate-engendered sialic acid monoaldehydes to yield the corresponding phenylhydrazone and with periodate-engendered dialdehydes to yield the corresponding morpholine or azido derivatives. Subsequent Schiff treatment results in the reversal of the blockade of sialic acid monoaldehydes but not of the dialdehydes, thus leading to selective Schiff staining of sialic acid residues.
33 citations
TL;DR: Results proved that ligand and platinum bind to CT-DNA by intercalative binding mode by probing their ability to bind to calf thymus DNA with UV-Visible, fluorescence, viscometric measurements and cyclic voltammetric techniques.
Abstract: New monometallic platinum complex ([PtL2Cl2]Cl2) of pyrimidine and morpholine derivative ligand were synthesized and structurally elucidated by elemental analysis, molar conductance, 1H NMR, FT-IR,...
33 citations
TL;DR: In this paper, the triarylboroxines (4-MeC 6 H 4 ) 3 B 3 O 3 (PTB) and (3,5-Me 2 C 6 H 3 ) 3B 3 O3 (MXB) with N -donor ligands (cyclohexylamine, 4picoline, 3-picoline) have been prepared by reaction of stoichiometric quantities of ligand and tri-aryl boroxine in Et 2 O at room temperature.
33 citations
TL;DR: One-step conversion including intramolecular hydrogen bond decomposition, aerobic oxidation, and condensation from α-hydroxyketones and 1,2-diamines into quinoxalines is reported using FeCl3 and morpholine as cocatalysts as mentioned in this paper.
33 citations
TL;DR: The applicability of the synthesized reagents for softening of different water samples was studied in this article, where the quality of softened water was tested by measuring concentrations of Mg2+, Ca2+ and HCO3− ions.
33 citations