Diels-Alder reaction using a dendritic copper(II) triflate-catalyst: a positive dendritic effect on the chemical yield |
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| Authors: | Ken-ichi Fujita Takahito Muraki Hatsuhiko Hattori Toshiyasu Sakakura |
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| Institution: | National Institute of Advanced Industrial Science and Technology (AIST), AIST Tsukuba Central 5, 1-1-1, Higashi, Tsukuba, Ibaraki 305-8565, Japan |
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| Abstract: | A series of dendritic ligands with a 2,2′-bipyridine core was synthesized through the coupling of 4,4′-dihydroxy-2,2′-bipyridine with poly(arylether) dendron in fair yields. The corresponding copper(II) trifluoromethanesulfonate (triflate) dendrimers were applied as a Lewis acid catalyst to the Diels-Alder reaction. A positive dendritic effect on the chemical yields of adducts was observed. |
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| Keywords: | Dendrimer Lewis acid catalyst Diels-Alder reaction Dendritic effect |
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