- Strategies for the synthesis of fluorinated liquid crystal derivatives from perbromofluoroaromatic systems
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The use of perbromofluorobenzene derivatives as starting materials for the synthesis of a variety of model liquid crystal systems by a combination of nucleophilic aromatic substitution, debromolithiation/trapping, dehydration and reduction processes is de
- Kenwright, Alan M.,Sandford, Graham,Tadeusiak, Andrzej J.,Yufit, Dmitrii S.,Howard, Judith A.K.,Kilickiran, Pinar,Nelles, Gabriele
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experimental part
p. 9819 - 9827
(2011/02/22)
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- Organometallic control over the regiospecificity of functionalization reactions: 1,2,3-Trifluorobenzene and bromo derivatives thereof as substrates
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In a case study, 1,2,3-trifluorobenzene was functionalized at each of the two vacant positions (producing the benzoic acids 1 and 2) and, in addition, bromine was introduced into all available positions (producing the benzoic acids 3-5). The required regioflexibility was achieved by applying novel organometallic recipes such as deprotonation-triggered halogen migrations and site-discriminating competitive halogen-metal permutations. Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2003.
- Heiss, Christophe,Schlosser, Manfred
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p. 447 - 451
(2007/10/03)
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