反应详情

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

1. filtrationthe mixture was filtered
2. washThe fiter was washed with ethanol
3. customthe filtrate was evaporated to dryness under reduced pressure