反应详情

A solution of the product from Example 4D (68 mg, 0.17 mmol) in CH2Cl2 (3 mL) was treated with trifluoroacetic acid (0.2 mL) and stirred for 16 hours. The mixture was diluted with CH2Cl2, washed H2O, dried, concentrated and chromatographed on silica gel eluting with eluting with NH4OH/MeOH/CH2Cl2 (0.8/8/92) to provide the title compound.

1. washwashed H2O
2. customdried
3. concentrationconcentrated
4. customchromatographed on silica gel eluting
5. washwith eluting with NH4OH/MeOH/CH2Cl2 (0.8/8/92)