Synthesis of 1-(2-ethynyl-6-methylphenyl)- and 1-(2-ethynyl-6-methoxyphenyl)-naphthalene and their cyclization |
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| Authors: | Jan Storch,Jan ?ermá k,Jind?ich Karban |
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| Affiliation: | Institute of Chemical Process Fundamentals, AS CR, Rozvojová 135, CZ-16502 Prague 6, Czech Republic |
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| Abstract: | A Suzuki cross-coupling reaction of hindered 2-bromo-1-trimethylsilylethynylbenzenes with 1-naphthaleneboronic acid yielding (2-ethynylphenyl)naphthalenes has been achieved. Their subsequent cyclization was carried out, giving benzo[c]phenanthrenes, without the use of photochemical procedures. |
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