反应详情

Thyroxine (1 g) was dissolved in the methanol/HCl, to which molecular sieve was added, and the mixture was left at room temperature overnight. The ester precipitates out with a yield of above 90%. After filtration, the product was washed with acetone and stored in a vacuum desiccator until use.

1. additionwas added
2. customThe ester precipitates out with a yield of above 90%
3. filtrationAfter filtration
4. washthe product was washed with acetone