反应详情

The product of Step 2 (3.5 g, 13.25 mmol) was dissolved in ethanol (200 ml) and treated with 10 wt % Palladium on charcoal (1 g), and stirred under 1 atm of H2 for 16 hours. The reaction was filtered and evaporated in vacuo to afford the title compound (3.01 g, 96%); MS (ES+), m/e 235 [M+H]+.

1. filtrationThe reaction was filtered
2. customevaporated in vacuo