Ethyl Acetate → 2-[1-Propargyl-3-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)ureido]acetaldehyde

Participants

Reaction Steps

A mixture of 5-cyclopropyl-1,3,4-thiadiazol-2-yl isocyanate dimer (7 grams), the dimethyl acetal of 2-propargyl-aminoacetaldehyde (5 grams) and ethyl acetate (50 ml) were charged into a glass reaction vessel equipped with a mechanical stirrer and reflux condenser. The reaction mixture is heated at reflux for a period of about 2 hours. After this time the mixture is stripped of solvent under reduced pressure to yield the desired product the dimethyl acetal of 2-[1-propargyl-3-(5-cyclopropyl-1,3,4-thiadiazol-2-yl)ureido]-acetaldehyde as an oil.

Provenance & Evidence