Multiple reactivities of dithranol towards 1-alkynyl Fischer carbene complexes (CO)5MC(OEt)CCPh (M=Cr, W) – Efficient chemical synthesis of aromatic polyketides
作者:Ning Luo、Zhengkun Yu
DOI:10.1016/j.jorganchem.2009.05.029
日期:2009.9
of anti-psoriasis drug dithranol with 1-alkynyl Fischer carbene complexes (CO)5MC(OEt)CCPh (M = Cr, W) were investigated under controlled conditions in which triethylamine-promoted C-addition, O-addition, electrophilic aromatic substitution, and cyclization consecutively occurred at up to five positions of dithranol. A remarkable solvent effect led to selective formation of polyphenolic organic and
在控制条件下研究了抗牛皮癣药物二乙醇与1-炔基菲舍尔卡宾配合物(CO)5 M C(OEt)C CPh(M = Cr,W)的反应,其中三乙胺促进C加成,O加成,亲电子芳族取代和环化连续发生在二硫醇的多达五个位置上。显着的溶剂作用导致选择性形成多酚有机和有机金属单-和三碳烯配合物,并利用吡啶-N有效地将其脱金属成具有潜在生物活性的芳族聚酮化合物-氧化物。所有的有机和有机金属产物都通过包括X射线单晶结构测定在内的方法进行了表征。这些结果表明,二硫醇具有新颖的多重反应性,可能与它的临床副作用有关,提供了一种新的合成方法来为医学目的功能化二硫醇并化学合成芳族聚酮化合物。