名称:
                                Formylation of 5-hydroxybenzofuran derivatives and synthesis of furo-[3,2-f]coumarins based on them*
                             
                            
                                摘要:
                                The formylation of esters of 5-hydroxy-1-benzofuran-3-carboxylic acid has been studied. The interaction of the synthesized aldehydes with esters of beta-keto acids and hetarylacetonitriles gave furo[3,2-f]coumarin-1-carboxylic acids derivatives.
                             
                                                            
                                    DOI:
                                    10.1007/s10593-011-0886-x