Ethyl 5-(2-propyl-5-thiazolyl)2,4-pentadienoate → Ethyl 2-propyl-5-thiazole-pentanoate

Participants

Reaction Steps

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.

Provenance & Evidence