compatibility of redox potentials. Despite recent advances, achieving a general electrocatalytic cyclic deracemization process without stoichiometric redox reagents remains a formidable challenge. Here we show that electrocatalytic cyclic deracemization of secondaryalcohols can be accomplished through sequential iridium-catalysed enantioselective anodic dehydrogenation and rhodium-catalysed cathodic hydrogenation
This invention relates to compounds that are mammalian metabolites of (-)-cis-6-phenyl-5-[4-(2-pyrrolidin-1-yl-ethoxy)-phenyl]-5,6,7,8-tetrahydronaphthalene-2-ol. The compounds of the invention can be used as standards for analytical assays or as intermediates for the further chemical synthesis or biosynthesis of chemical entities. The invention also relates to pharmaceutical compositions for the treatment of disease and methods of treating disease.
Synthesis of Substituted Benzaldehydes via a Two-Step, One-Pot Reduction/Cross-Coupling Procedure
作者:Dorus Heijnen、Hugo Helbert、Gert Luurtsema、Philip H. Elsinga、Ben L. Feringa
DOI:10.1021/acs.orglett.9b01274
日期:2019.6.7
The synthesis of functionalized (benz)aldehydes, via a two-step, one-pot procedure, is presented. The method employs a stable aluminum hemiaminal as a tetrahedral intermediate, protecting a latent aldehyde, making it suitable for subsequent cross-coupling with (strong nucleophilic) organometallic reagents, leading to a variety of alkyl and aryl substituted benzaldehydes. This very fast methodology
Selective Modular Synthesis of <i>ortho</i>-Substituted Phenols via Pd-Catalyzed Dehydrogenation–Coupling–Aromatization of Alcohols
作者:Guangkuo Zeng、Lingyun Shen、Qingshu Zheng、Tao Tu
DOI:10.1021/acscatal.3c00826
日期:2023.5.5
Phenols are pivotal precursors and core motifs for various fine chemicals, bioactive molecules, and functional materials, among which the site-selective syntheses of ortho-substitutedphenols are very attractive and challenging. Here, we present a palladium-catalyzed dehydrogenation–coupling–aromatization protocol to access ortho-substitutedphenols from cyclohexanols with primary alcohols. Broad substrate