Acetic acid, azido-, ethyl ester → 332099-29-3

Participants

Reaction Steps

5-Chloro-furan-2carbaldehyde (Snyder, H. R., Jr.; Seehausen, P. H., J. Heterocycl. Chem., 10: 385-6 (1973)) was annulated according to Procedure H (8 equiv sodium; aldehyde and azido-acetic acid ethyl ester added as ethanol solution (0.9 M of ester); condensation reaction mixture allowed to warm to room temperature, stirred for 1 h, quenched at −40° C., diluted with water, and extracted with ether; acrylate not purified; crude furanopyrrole filtered before concentration).

Provenance & Evidence