p-Toluenesulfonic acid → HCID 53886939, compound

Participants

Reaction Steps

To a mechanically stirred mixture of 27 parts of 4-cyano-2,5-diisopropylbenzenesulfonamide and 22 parts trimethyl orthoformate was added a trace of p-toluenesulfonic acid. The reaction was heated at reflux for 4 hours. It was filtered, the filtrate stripped to dryness in vacuo, and the resulting solid recrystallized from methanol to give the title product, m.p. 130°-132°.

Provenance & Evidence