Umetani, Shigeo published the artcileSolvent extraction of alkaline earth metals, and lithium with 1-phenyl-3-methyl-4-acylpyrazol-5-ones and trioctylphosphine oxide, Recommanded Product: 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, the main research area is alk earth extraction phenylmethylacylpyrazolone; pyrazolone derivative extraction alk earth; octylphosphine oxide extraction alk earth; lithium extraction pyrazolone derivative.
The synergic extraction of Mg, Ca, Sr, Ba, and Li into cyclohexane or benzene containing 1-phenyl-3-methyl-4-acyl-pyrazol-5-one (HA) [acyl = benzoyl or trifluoroacetyl] and tri-n-octylphosphine oxide (TOPO) was investigated as a function of pH, HA and TOPO concentrations The extracted species when the 4-benzoyl compound was used, were MA2(TOPO)2 (M = Mg, Ca, Sr), BaA2(TOPO)3 and LiA(TOPO)2. When the 4-trifluoroacetyl derivatives was used, the extracted species were the same except for SrA2(TOPO)3. Extraction constants for the synergic extractions were calculated
Analytica Chimica Acta published new progress about Alkaline earth metals Role: PRP (Properties). 1691-93-6 belongs to class pyrazoles-derivatives, name is 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one, and the molecular formula is C12H9F3N2O2, Recommanded Product: 5-Methyl-2-phenyl-4-(2,2,2-trifluoroacetyl)-1H-pyrazol-3(2H)-one.
Referemce:
Pyrazole – Wikipedia,
Pyrazoles – an overview | ScienceDirect Topics