Total synthesis of cytotoxic metabolite ( ± )-desmethyldiaportinol from <i>Ampelomyces</i> sp.
作者:Aamer Saeed、Muhammad Qasim
DOI:10.1080/14786419.2013.866111
日期:2014.2.1
of 3,5-dimethoxyhomopthalic acid with 3,4-dibromobutanoyl chloride afforded the 3-(2,3-dibromopropyl)-6, 8-dimethoxyisocoumarin in 2–3 min as the pivotal step. The 3,4-dibromobutanoyl chloride was itself synthesised from 3-butenoic acid via bromination in carbon tetrachloride at room temperature to yield 3,4-dibromobutanoic acid followed by reaction with thionylchloride. The replacement of bromo- by