title: Preparation of Tyrian purple (6,6'-dibromoindigo): past and present.
abstract: Over the past century, various synthetic approaches have been suggested to the most famous dye of antiquity, Tyrian purple (6,6'-dibromoindigo). These synthetic routes have been exhaustively surveyed and critically evaluated from the perspective of convenience, cost, safety and yield.
authors: Department of Chemistry, Bar-Ilan University, Ramat-Gan, Israel. wallach@mail.biu.ac.il
authors: Joel L
authors: JL
authors: Wolk
authors: Aryeh A
authors: AA
authors: Frimer
mesh_terms: D001547:Benzaldehydes / Q000737:chemistry; D019817:Benzoic Acid / Q000737:chemistry; D002625:Chemistry, Organic / Q000191:economics / Q000379:methods* / Q000639:trends*; D007203:Indigo Carmine; D007211:Indoles / Q000138:chemical synthesis* / Q000737:chemistry
chemical_list: C553805:6,6'-dibromoindigo; D001547:Benzaldehydes; D007211:Indoles; D019817:Benzoic Acid; D007203:Indigo Carmine; C032175:benzaldehyde