The three-dimensional configuration of the ester heterocycle is basically the same as that of the carbocycle. Compound: (S)-3,3′-Dibromo-1,1′-bi-2-naphthol(SMILESS: OC1=C(Br)C=C2C=CC=CC2=C1C3=C4C=CC=CC4=CC(Br)=C3O,cas:119707-74-3) is researched.Electric Literature of C31H26FeNOP. The article 《Enantioselective Synthesis of 3,3′-Disubstituted 2-Amino-2′-hydroxy-1,1′-binaphthyls by Copper-Catalyzed Aerobic Oxidative Cross-Coupling》 in relation to this compound, is published in Angewandte Chemie, International Edition. Let’s take a look at the latest research on this compound (cas:119707-74-3).
A challenging direct asym. catalytic aerobic oxidative cross-coupling of 2-naphthylamine and 2-naphthol, using a novel CuI/SPDO system, has been successfully developed for the first time. Enantioenriched 3,3′-disubstituted NOBINs were achieved and could be readily derived to divergent chiral ligands and catalysts. This reaction features high enantioselectivities (up to 96% ee) and good yields (up to 80%). The DFT calculations suggest that the F-H interactions between CF3 of L17 and H-1,8 of 2-naphthol, and the π-π stacking between the two coupling partners could play vital roles in the enantiocontrol of this cross-coupling reaction.
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Reference:
Bromide – Wikipedia,
bromide – Wiktionary