Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Advanced Synthesis & Catalysis called Asymmetric Synthesis of Dihydronaphthalene-1,4-diones via Carbene-Catalyzed Stereodivergent Reaction, Author is Zhao, Zhifei; Yang, Shuang; Lan, Shouang; Liu, Jinggong; Liu, Shuhua; Fang, Xinqiang, which mentions a compound: 1214711-48-4, SMILESS is ClC1=C(N2N=C3[N+]([C@@]4([H])[C@@](CC5=C4C=CC=C5)([H])OC3)=C2)C(Cl)=CC(Cl)=C1.F[B-](F)(F)F, Molecular C18H13BCl3F4N3O, Category: quinuclidine.
2-Hydroxy-2,3-dihydronaphthalene-1,4-diones (HDNDs) are ubiquitous in natural products and bioactive mols., but the rapid asym. construction of such scaffolds remains a significant challenge to date. Reported herein is the rapid construction of the above key units via carbene-catalyzed benzoin reaction. The resolution technique of divergent reaction on racemic mixture (divergent RRM) was employed, affording both isomers of HDNDs in a one-step fashion. Disubstituted substrates afford products with two contiguous quaternary stereocenters. A series of highly selective transformations on the products can be realized, and mechanistic studies indicate that the benzoin reaction is much faster than the racemization process and the aldol reaction.
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Quinuclidine – Wikipedia,
Quinuclidine | C7H13N | ChemSpider