The Rh(III)-catalyzed amidation of C(sp2)-H bonds has been reported by employing the N-methoxyamide as a novel amino source. An excellent level of functional group tolerance can be achieved when N-methoxyamide derivatives are used as the amidating reagents. Importantly, several known bioactive compounds such as Aminalon, Pregabalin, Gabapentin, and Probenecid can be transformed to effective amidating
<i>N</i>-Methoxyamide: An Alternative Amidation Reagent in the Rhodium(III)-Catalyzed C–H Activation
作者:Chao Zhou、Junqi Zhao、Weicong Guo、Jijun Jiang、Jun Wang
DOI:10.1021/acs.orglett.9b03357
日期:2019.12.6
In the field of transition-metal-catalyzed C-Hactivation, N-methoxyamides are widely used as C-Hactivation substrate. Unexpectedly, in this work N-methoxyamides were found to work as efficient amidation reagents in the rhodium(III)-catalyzedC-Hactivation with boric acid as a cocatalyst. This reaction features broad substrate scope and good yields.
This invention relates to pyridinylanilides of formula (I)
in which R, R
1
, R
2
, R
3
, R
4
and A are as defined in the disclosure, to a plurality of processes for preparing these substances, to their use for controlling unwanted microorganisms, and to novel intermediates and their preparation.
[EN] Novel pyridinylanilides of the formula (I) in which R, R<1>, R<2>, R<3>, R<4> and A are as defined in the description, a plurality of processes for preparing these substances and their use for controlling unwanted microorganisms, and also novel intermediates and their preparation. [FR] L'invention concerne de nouveaux pyridinylanilides de la formule (I), dans laquelle R, R<1>, R<2>, R<3>, R<4> et A sont tels que définis dans le descriptif. Elle concerne également plusieurs procédés de préparation de ces substances et leur utilisation pour combattre des micro-organismes parasites, ainsi que de nouveaux intermédiaires et leur préparation.