反应详情

The product from Example 4a (5.00 g, 17.53 mmol) was reacted with 4-methylthiophenol (2.17 g, 17.53 mmol) in place of thiophenol following the procedure from Example 1e for 18 h giving the crude title compound which was purified by silica gel column chromatography eluting with 5% EtOAc/hexane providing a solid (3.53 g, 78%).