SDS of cas: 119707-74-3. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: (S)-3,3′-Dibromo-1,1′-bi-2-naphthol, is researched, Molecular C20H12Br2O2, CAS is 119707-74-3, about Asymmetric allylboration of ketones catalyzed by chiral diols. Author is Lou, Sha; Moquist, Philip N.; Schaus, Scott E..
Chiral BINOL-derived diols catalyzed the asym. allylboration of ketones. The reaction required 3,3′-Br2-BINOL as the catalyst and allyldiisopropoxyborane as the nucleophile. The reaction products were obtained in good yields and high enantiomeric ratios. High diastereoselectivities and enantioselectivities were obtained in the reactions of acetophenone with crotyldiisopropoxyboranes.
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Reference:
Bromide – Wikipedia,
bromide – Wiktionary