Related Products of 119707-74-3. So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic. Compound: (S)-3,3′-Dibromo-1,1′-bi-2-naphthol, is researched, Molecular C20H12Br2O2, CAS is 119707-74-3, about Enantiomeric separation of biaryl atropisomers using cyclofructan based chiral stationary phases.
Normal phase chiral HPLC methods are presented for the enantiomeric separation of 30 biaryl atropisomers including 18 new compounds recently produced via a novel synthetic approach. Three new cyclofructan based chiral stationary phases were evaluated. Separations were achieved for all but six analytes and the LARIHC CF6-P alone provided 15 baseline separations Effects of polar modifiers and temperature effects also were studied. Apparent thermodn. parameters were determined by van’t Hoff plots. Preparative scale methods were developed and employed resulting in the 1st ever isolation of these novel atropisomers in their pure enantiomeric form. Insights into the mechanism of retention and chiral discrimination are presented.
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Reference:
Bromide – Wikipedia,
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