反应详情

The product from Example 136B (2.67 g, 9.23 mmol) and the product from Example 9B (1.72 g, 9.23 mmol) were reacted according to the procedure from Example 136C substituting the product from Example 9B for the product from Example 8E to give a residue which was purified by silica gel chromatography using 4% methanol in dichloromethane as eluent to provide the title compound as a white solid (1.79 g, 45%).

1. customto give a residue which
2. customwas purified by silica gel chromatography