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Diels–Alder cycloaddition reactions of 1,3,5‐hexatriynes with tetraphenylcyclopentadienone have been performed, and mainly gave 1,2‐diethynyl‐3,4,5,6‐tetraphenylbenzene derivatives as products. The Diels–Alder reactions were optimized under conventional heating and microwave irradiation conditions, and showed good selectivity towards the central carbon–carbon triple bond of the triyne. Empirical evidence...
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