A Unified Approach to the Isomeric α-, β-, γ-, and δ-Carbolines via their 6,7,8,9-Tetrahydro Counterparts
摘要:
A cross-coupling/reductive cyclization protocol has been employed in a unified approach to all four carbolines. So, for example, the 2-nitropyridine 8, which is readily prepared through an efficient palladium-catalyzed Ullmann cross-coupling reaction, is reductively cyclized under conventional conditions to give 6,7,8,9-tetrahydro-alpha-carboline that is itself readily aromatized to give alpha-carboline (1).
A Unified Approach to the Isomeric α-, β-, γ-, and δ-Carbolines via their 6,7,8,9-Tetrahydro Counterparts
摘要:
A cross-coupling/reductive cyclization protocol has been employed in a unified approach to all four carbolines. So, for example, the 2-nitropyridine 8, which is readily prepared through an efficient palladium-catalyzed Ullmann cross-coupling reaction, is reductively cyclized under conventional conditions to give 6,7,8,9-tetrahydro-alpha-carboline that is itself readily aromatized to give alpha-carboline (1).
[EN] TETRAHYDROCARBOLINE DERIVATIVES AS EG5 INHIBITORS<br/>[FR] DÉRIVÉS DE TÉTRAHYDROCARBOLINE COMME INHIBITEURS DE L'EG5
申请人:SANOFI SA
公开号:WO2011084439A1
公开(公告)日:2011-07-14
The present invention relates to substituted tetrahydro-β-carbolines and substituted tetrahydro-γ-carbolines. This invention also relates to methods of making these compounds including novel intermediates. The compounds of this invention are inhibitors of Eg5 kinesin. Therefore, the compounds of this invention are useful as pharmaceutical agents, especially in the treatment and/or prevention of diseases.
Rapid and Efficient Microwave-Assisted Synthesis of 4-, 5-, 6- and 7-Azaindoles
作者:Nicolas Lachance、Myriam April、Marc-André Joly
DOI:10.1055/s-2005-872100
日期:——
imines/ enamines formed between aminopyridines and ketones are converted in moderate to good yields to the corresponding 4-, 5-, 6- or 7-azaindoles via the Hegedus-Mori-Heck reaction (intramolecular Heck reaction). A systematic examination of all isomeric azaindoles synthesis revealed this one-pot procedure to be general in scope.