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Molecules 2010, 15(8), 5561-5580; doi:10.3390/molecules15085561
Article

A Simple, Safe and Efficient Synthesis of Tyrian Purple (6,6′-Dibromoindigo)

*  and *
Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
* Authors to whom correspondence should be addressed.
Received: 18 June 2010 / Revised: 3 August 2010 / Accepted: 5 August 2010 / Published: 12 August 2010
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Abstract

6,6’-Dibromoindigo is a major component of the historic pigment Tyrian purple, arguably the most famous dye of antiquity. Over the last century, chemists have been interested in developing practical syntheses of the compound We describe herein a new, reasonably simple and efficient synthesis of Tyrian purple which opens the way to the production of large quantities of the dye with minimal hazards and at low cost.
Keywords: 6,6’-dibromoindigo; Tyrian purple; synthesis 6,6’-dibromoindigo; Tyrian purple; synthesis
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

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MDPI and ACS Style

Wolk, J.L.; Frimer, A.A. A Simple, Safe and Efficient Synthesis of Tyrian Purple (6,6′-Dibromoindigo). Molecules 2010, 15, 5561-5580.

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