Synthesis of Biaryl Carboxylic Acids through a Cascade Suzuki–Miyaura Coupling/Friedel–Crafts Alkylation/Lewis-Acid-Catalyzed Rearrangement/Aromatization Process
作者:Shaodong Liu、Liang Cheng、Li Liu
DOI:10.1021/acs.orglett.4c00204
日期:2024.3.8
In this study, we present a series of 1,3-dicarbonyls that can undergo a cascade Suzuki coupling, followed by a Friedel–Crafts reaction to produce molecules containing polycyclic alcohols. These polycyclic alcohols can then be converted into biaryl carboxylic acids through ring-opening rearrangement reactions catalyzed by a Lewis acid. The Friedel–Crafts reaction exhibits selective para-positioning
Biological molecularmachines play a pivotal role in sustaining life by producing a controlled and directional motion. Artificial molecularmachines aim to mimic this motion, to exploit and tune the nanoscale produced motion to power dynamic molecular systems. The precise control, transfer, and amplification of the molecular-level motion is crucial to harness the potential of syntheticmolecular motors
The synthesis of sterically crowded tribenzotriquinacenes with complete and partial methylation of the ortho-positions has been achieved using the double cyclodehydration strategy. This leads to a twisted tribenzotriquinacene core and enables further functionalization for the future synthesis of curved model compounds for defective carbon networks.