Electrochemical Synthesis of Biaryls via Oxidative Intramolecular Coupling of Tetra(hetero)arylborates
作者:Arif Music、Andreas N. Baumann、Philipp Spieß、Allan Plantefol、Thomas C. Jagau、Dorian Didier
DOI:10.1021/jacs.9b12300
日期:2020.3.4
scope, scalability and robustness of this unconventional catalyst-free transformation, leading to functional-ized biaryls and ultimately furnishing drug-like small molecules as well as late stage derivatization of natural compounds. In addition, the observed selectivity of the oxidative coupling reaction is related to the electronic structure of the TABs through quantum-chemical calculations and experimental
The present invention relates to compounds of formula I,
wherein R
1
to R
5
are defined in the description and claims, and to pharmaceutically acceptable salts thereof. The present invention relates also to the manufacture of said compounds, pharmaceutical compositions containing them and methods for the treatment and/or prophylaxis of diseases which can be treated with HDL-cholesterol raising agents, such as dyslipidemia, atherosclerosis and cardiovascular diseases.
Photoinduced 1,2-dicarbofunctionalization of alkenes with organotrifluoroborate nucleophiles <i>via</i> radical/polar crossover
作者:María Jesús Cabrera-Afonso、Anasheh Sookezian、Shorouk O. Badir、Mirna El Khatib、Gary A. Molander
DOI:10.1039/d1sc02547c
日期:——
postulated to proceed throughphotochemicalradical/polar crossover to afford a key carbocation species that undergoes subsequent trapping with organoboron nucleophiles to accomplish the carboallylation, carboalkenylation, carboalkynylation, and carboarylation of alkenes with regio- and chemoselective control. The mechanistic intricacies of this difunctionalization were elucidated through Stern–Volmer quenching
Reaction rate differences between organotrifluoroborates and boronic acids in BINOL-catalyzed conjugate addition to enones
作者:Bailey Brooks、Noemi Hiller、Jeremy A. May
DOI:10.1016/j.tetlet.2021.153412
日期:2021.10
has been successfully employed in combination with trifluoroborate reagents for novel organic transformations over the last decade. However, no experimental rate studies of these reactions have been reported. Herein we report Hammett plot analysis of the organocatalyzed enantioselective conjugateaddition of alkenyl, aryl, and heteroaryltrifluoroborate salts to chalcone derivatives with substitution
Inhibitors of bacterial biofilms and related methods
申请人:Sequoia Sciences, Inc.
公开号:US08324264B1
公开(公告)日:2012-12-04
Certain multi-cyclic compounds and compositions thereof are useful for reducing or inhibiting the growth of bacterial biofilms and for controlling bacterial biofilm infections. Such compounds and compositions are also useful in methods for reducing or inhibiting the growth of biofilms and for controlling bacterial biofilm infections involving biofilms.