Studies on the syntheses of heterocyclic compounds containing benzopyrone. Part 5. Total synthesis of fulvic acid
作者:Masashige Yamauchi、Sadamu Katayama、Toshiharu Todoroki、Toshio Watanabe
DOI:10.1039/p19870000389
日期:——
Total synthesis of fulvic acid (1a) is described. Regioselective cyclization of the enedione (8f), an equivalent of the proposed biogenetic intermediate (5a) for citromycetin (2), gave the pyrone (11a), which led to fulvic acid (1a) by a route involving debenzylation, selective ozonization, and hydration.
描述了黄腐酸(1a)的全合成。所述enedione(的区域选择性环化8F),所提出的生物遗传中间体(的等效图5a),用于citromycetin(2),得到吡喃酮(11A),这导致了富里酸(1A通过涉及脱苄基化,选择性臭氧化的路径),和保湿。