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Synthesis and Study of 7,12,17-Trioxa[11]helicene

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posted on 04.12.2015 by M. Shyam Sundar, Ashutosh V. Bedekar
Synthesis of the title compound 7,12,17-trioxa[11]­helicene, a large oxygen-containing helicene, has been reported. The 11-membered heterohelicene was synthesized by a combination of two simple reactions involving oxidative coupling and dehydrative cyclization. The final helicene was characterized by single-crystal X-ray diffraction, fluorescence spectroscopy, and differential scanning calorimetric analysis.

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