反应详情

Hydrogen was passed through a mixture of 25 g of ethyl 5-(n-propyl-5-thiazolyl)-2,4-pentadienoate, 250 ml of ethanol and 12.5 g of activated carbon containing 10% palladium with stirring for 2 hours and the mixture was filtered and the filter was washed with ethanol. The filtrate was evaporated to dryness under reduced pressure to obtain 23 g of raw ethyl 2-propyl-5-thiazole-pentanoate.

1. filtrationthe mixture was filtered
2. washthe filter was washed with ethanol
3. customThe filtrate was evaporated to dryness under reduced pressure