1: 69 percent Chromat. / acetyl chloride (AcCl) / 4 h / 100 - 130 °C 2: aq. NaOH / 1 h / 70 °C View Scheme

acetyl chloride T=100 - 130°C; 4 h;

acetyl chloride T=100 - 130°C; 6 h; var. cyclization / acetylating agents; influence of HCl; influence of pyridine; var. reaction times; other reaction temperature; other 5-oximinoalkanenitriles; Product distribution;