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Photonic Band Gap Fibers with Novel Chiral Nematic and Low-Birefringence Nematic Liquid Crystals

✍ Scribed by Tefelska, Marzena M.; Chychłowski, Miłosz S.; Woliński, Tomasz R.; Dąbrowski, Roman; Rejmer, Wojciech; Nowinowski-Kruszelnicki, Edward; Mergo, Paweł


Book ID
121502348
Publisher
Taylor and Francis Group
Year
2012
Tongue
English
Weight
620 KB
Volume
558
Category
Article
ISSN
1542-1406

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## Abstract Alkylation of 1‐alkyl‐1__H__‐imidazoles **2a**–**f** with citronellyl bromide **1b** opens access to chiral 1__H__‐imidazolium bromides **3a**–**f** (__Scheme 1__). A similar strategy yielded the chiral pyridinium ionic liquid **6** (__Scheme 2__). Dialkylation of 1__H__‐imidazole (**7*