反应详情

This compound was prepared from the product of Step 7 (4.4 g, 20 mmol), titanium trichoride, 20 wt. % solution in 20-30 wt. % hydrochloric acid (23 ml, 30 mmol), and methanol (50 ml) using the procedure described in Example 11. The crude product (4.2 g, 81%) was converted into the product of Step 9 without purification.

1. customThe crude product (4.2 g, 81%) was converted into the product of Step 9 without purification