1: tin (II)-chloride; glacial acetic acid 2: iron (III)-chloride; acetic acid 3: tin (II)-chloride; glacial acetic acid View Scheme

1: tin (II)-chloride; glacial acetic acid 2: iron (III)-chloride; acetic acid View Scheme

1: tin (II)-chloride; glacial acetic acid 2: iron (III)-chloride; acetic acid 3: glacial acetic acid; chlorine 4: concentrated sulfuric acid View Scheme

1: tin (II)-chloride; glacial acetic acid 2: iron (III)-chloride; acetic acid 3: glacial acetic acid; bromine / im Dunkeln 4: zinc; hydrochloric acid; alcoholic diethyl ether View Scheme