Convenient and general synthesis of polyalkylpyrroles from ketones and nitroalkenes
作者:Masaaki Miyashita、Bahlul Z. Elshtaiwi Awen、Akira Yoshikoshi
DOI:10.1039/c39890000841
日期:——
A convenient and general method has been developed for the synthesis of polyalkylpyrroles starting fromketones and nitroalkenes via reduction of the intermediate acetic nitronic anhydrides.
[EN] COMPOUNDS AND METHODS USEFUL FOR TREATING ASTHMA AND ALLERGIC INFLAMMATION<br/>[FR] COMPOSÉS ET PROCÉDÉS UTILES POUR LE TRAITEMENT DE L'ASTHME ET DE L'INFLAMMATION ALLERGIQUE
申请人:AMGEN INC
公开号:WO2008137027A2
公开(公告)日:2008-11-13
[EN] Compounds, compositions and methods that are useful in the treatment of inflammatory and immune-related diseases and conditions are provided herein. In particular, the invention provides compounds which modulate the function and/or expression of proteins involved in atopic diseases, inflammatory conditions and cancer. The subject compounds are carboxylic acid derivatives. [FR] La présente invention concerne des composés, compositions et procédés qui sont utiles dans le traitement des maladies et conditions inflammatoires et des maladies liées aux troubles immunitaires. En particulier, l'invention concerne des composés qui régulent la fonction et/ou l'expression des protéines impliquées dans les maladies atopiques, les conditions inflammatoires et le cancer. Les composés de cette invention sont des dérivés d'acides carboxyliques.
A new synthetic aspect of acetic nitronic anhydrides
A facile and convenient synthesis of acetic nitronic anhydrides from aliphatic nitroalkenes and lithium ketone enolates and the efficient conversion of these anhydrides to 1,4-diketones, alkylpyrroles, diketone monooximes, dihydro-1,2-oxazines, pyrrolidines, 2-hydroxypyrrolidines, and 1-pyrrolines are recorded.