1: acetone; aqueous nitric acid 2: aqueous hydrochloric acid; tin 3: aqueous sulfuric acid; aqueous sodium dichromate solution 4: aqueous sodium hydrogen sulfite solution; aqueous hydrochloric acid 5: acetone; methyl iodide; potassium carbonate View Scheme

1: acetone; aqueous nitric acid 2: aqueous hydrochloric acid; tin View Scheme

1: aq. NaOH solution; pyridine; potassium peroxo disulfate / Reagens 4: Wasser, weit. Ang.: Erwaermen der nach dem Ansaeuern loeslichen Teile des Reaktionsgemisches mit wss. Salzsaeure und Natriumsulfit 2: acetone; methyl iodide; potassium carbonate View Scheme

1: acetone; aqueous nitric acid 2: aqueous hydrochloric acid; tin 3: aqueous sulfuric acid; aqueous sodium dichromate solution View Scheme