Hydrochloric Acid → HCID 2739821, compound

Participants

Reaction Steps

3.9 g of 5-formyl-2,2'-bithiophene, 2.4 ml of cyano-ethyl-acetate, 15 ml of pyridine and 2.4 ml of piperidine were heated at 80°-85° C. for 2 hours. After cooling, the mixture was acidified by diluted HCl and then filtered. The orange crude product was recrystallized from ethanol to give a crystal product (5.02 g). The melting point of the product was 131° C. The yield was 86%.

Provenance & Evidence