copper (II) chromite in quinoline T=200°C; 0.233333 h;

copper (II) chromite in quinoline T=160°C; 3 h;

potassium hydroxide; water 1) 0 deg C; 2) room temperature, 1.5 h;

1: 2.) DMF / 1.) acetonitrile, ice bath, to room temp., 12 h; 2.) ice bath then 50 deg C, 1 h then room temp., 3h 2: 92 percent / sodium hydroxide / 1.) ice bath; 2.) room temp., 2 h View Scheme