HCID 20557499, compound → HCID 20557558, compound

Participants

Reaction Steps

In a manner analogous to that described in Example 32, from methyl 2-acetylthiomethyl-2,3,5,6,7,8-hexahydro-1,3-dioxo-1H-1,2,4-triazolo[1,2-a]pyridazine-5-carboxylate there was obtained in 29% yield 2,3,5,6,7,8-hexahydro-2-mercaptomethyl-1,3-dioxo-1H-1,2,4-triazolo[1,2-a]pyridazine-5-carboxylic acid of melting point 157.5°-158.5° C. (from ethyl acetate/hexane).

Provenance & Evidence