反应详情

A solution of N-(tert-butyl)-5-cyanofuran-2-sulfonamide (the product of example 50, step i) (1.0 g) in trifluoroacetic acid (300 mL) was stirred at room temperature for 24 h. The mixture was evaporated to dryness in vacuo to leave a crude yellow oil that was triturated with Et2O and filtered. The filtrate was evaporated to dryness in vacuo to give the subtitle compound as a pale yellow oil. Yield: 0.29 g.

1. customThe mixture was evaporated to dryness in vacuo
2. customto leave a crude yellow oil that
3. customwas triturated with Et2O
4. filtrationfiltered
5. customThe filtrate was evaporated to dryness in vacuo