Acetic Anhydride → HCID 178487956, compound

Participants

Reaction Steps

The title compound is prepared in analogy to Example 19b starting from 7.15 g (0.029 mol) of 5-methoxy-2-[2-nitro-ethylidenamino]-benzoic acid (Example 44e), 32 ml acetic anhydride, and 3.52 g (0.035 mol) potassium acetate. The title compound which precipitates from the solution, is filtered off, washed with acetic acid, and dried overnight at 85° C. mp: 278-281° C.; MS: 221 (M++1); HPLC: tret=10.23 min (Grad 1).

Provenance & Evidence