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These reactions were hard to proceed either with amines alone or on the SA alone. Solid-state 13C MAS NMR analysis revealed the acid−base interaction of the H+ site and amine group on the SA-NR2 surface, which makes an acid−base dual activation mechanism possible for carbon−carbon bond-forming reactions."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381137044594435328","@type":"Researcher","foaf:name":[{"@value":"Ken Motokura"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137044594435329","@type":"Researcher","foaf:name":[{"@value":"Mizuki Tada"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Graduate School of Science, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo 113-0033, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381137044594435330","@type":"Researcher","foaf:name":[{"@value":"Yasuhiro Iwasawa"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Graduate School of 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