1: diluted NaOH-solution 2: sodium dichromate; diluted sulfuric acid 3: glacial acetic acid; concentrated hydrobromic acid / Behandlung des Produkts mit schwefelsaurer Chromsaeureloesung 4: alcohol 5: tin dichloride; hydrochloric acid; alcohol / Loesen des Produkts in Wasser, uebersaettigen mit Ammoniak und schuetteln bei Luftzutritt 6: diluted NaOH-solution View Scheme

T=350°C;

1: diluted NaOH-solution 2: sodium dichromate; diluted sulfuric acid View Scheme