Mauveine was converted to parasafranine (1,8-dimethylsafranine) by Perkin in 1878 by oxidative/reductive loss of the 7N-para-tolyl group.
A mauveína foi convertida en parasafranina (1,8-dimetil safranina) por Perkin en 1878 por perda oxidativa/redutiva do grupo 7-N-para-tolil.