作者:Noboru Morita、Masao Kudo、Ryuji Yokoyama、Shunji Ito
DOI:10.3987/com-00-s(i)42
日期:——
2H-cyclohepta[b]furan-2-one (3) was prepared in high yield from a [2+2] cycloadduct between cycloheptatriene and dichloroketene by Baeyer-Villiger oxidation followed by dehydrochlorination. 3-Chloro- (8) and 6-chloro-2H-cyclohepta[b] furan-2-one (9) were obtained from the [2+2] cycloadduct by adding an epoxidation step to the above synthetic way in moderate yields.