Tandem Pummerer Diels-Alder sequence for the preparation of α-thio substituted naphthalene derivatives
作者:John E. Cochran、Albert Padwa
DOI:10.1016/0040-4039(95)00574-v
日期:1995.5
The alpha-thiocarbocation generated from the Pummerer reaction of an o-benzoyl substituted sulfoxide is intercepted by the adjacent keto group to produce an alpha-thio-isobenzofuran as a transient intermediate which undergoes a subsequent Diels-Alder cycloaddition with added dienophiles.