The present disclosure provides a compound of Formula I:
or a pharmaceutically acceptable salt wherein X, R
1
-R
8
, Y
1
-Y
5
, m, n, p, and q are defined herein. The novel 2H-chromene compounds are useful for the modulation of disorders mediated by estrogen, and other disorders, as described herein. The present invention also relates to pharmaceutical compositions containing the compounds and to methods of using the compounds and compositions.
Metal‐ and Reagent‐Free Highly Selective Anodic Cross‐Coupling Reaction of Phenols
作者:Bernd Elsler、Dieter Schollmeyer、Katrin Marie Dyballa、Robert Franke、Siegfried R. Waldvogel
DOI:10.1002/anie.201400627
日期:2014.5.12
The direct oxidative cross‐coupling of phenols is a very challenging transformation, as homo‐coupling is usually strongly preferred. Electrochemical methods circumvent the use of oxidizing reagents or metal catalysts and are therefore highly attractive. Employing electrolytes with a high capacity for hydrogen bonding, such as methanol with formic acid or 1,1,1,3,3,3‐hexafluoro‐2‐propanol, a direct