The first general method of direct and highly stereoselective Ti-mediated Mannich reaction between three types of simpleesters and E and Z mixtures of oxime ethers (aliphatic and aromatic) is accomplished.
Pd-Catalyzed Multiple CH Functionalization to Construct Biologically Active Compounds from Aryl Aldoxime Ethers with Arenes
作者:Vedhagiri S. Thirunavukkarasu、Chien-Hong Cheng
DOI:10.1002/chem.201102996
日期:2011.12.23
Functional fluorenones: Aromatic aldoximeethers react with unactivated arenes catalyzed by palladium complexes to give biologicallyactive fluoren‐9‐ones (see scheme). MultipleCH bond activation and an oxidative cyclization are involved in the reaction.
The present invention relates to the inhibition of HIV integrase, and to the treatment of AIDS or ARC by administering compounds of the following formula, or a tautomer of said compound, or a pharmaceutically acceptable salt, solvate or prodrug thereof:
1
wherein R
1
, R
2
and B
1
are as defined herein.
The present invention relates to the inhibition of HIV integrase, and to the treatment of AIDS or ARC by administering compounds of the following formula, or a tautomer of said compound, or a pharmaceutically acceptable salt, solvate or prodrug thereof:
wherein R1, R2 and B1 are as defined herein.
Selective<i>ortho</i>-Bromination of Substituted Benzaldoximes Using Pd-Catalyzed C–H Activation: Application to the Synthesis of Substituted 2-Bromobenzaldehydes
Substituted 2-bromobenzaldehydes were synthesized from benzaldehydes using a three-step sequence involving a selective palladium-catalyzed ortho-bromination as the key step. O-Methyloxime serves as a directing group in this reaction. A rapid deprotection of substituted 2-bromobenzaldoximes afforded substituted 2-bromobenzaldehydes with good overall yields.