Versatile Pd(II)-Catalyzed C−H Activation/Aryl−Aryl Coupling of Benzoic and Phenyl Acetic Acids
摘要:
The use of aryltrifluoroborates as coupling partners and O-2 as the oxidant substantially improves the scope and practicality of the Pd-catalyzed C-H activation/C-C coupling reaction. The newly discovered protocol made possible, for the first time, the orthocoupling of electron-deficient arenes and phenyl acetic acids With organometallic reagents.
The present invention provides a novel compound having an antiviral activity, in particular, an HIV replication inhibiting activity, as well as a pharmaceutical composition, in particular, an anti-HIV agent.
wherein ring A is substituted or unsubstituted carbocycle or substituted or unsubstituted heterocycle; R1 is substituted or unsubstituted alkyl etc.; R2 is substituted or unsubstituted alkyloxy etc.; n is 1 or 2; R3 is substituted or unsubstituted carbocyclyl or substituted or unsubstituted heterocyclyl; R4 is a hydrogen atom etc.; R6 is substituted or unsubstituted alkyl etc.