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Effects of mesopore internal surfaces on the structure of immobilized Pd-bisphosphine complexes analyzed by variable-temperature XAFS and their catalytic performances

温度可変XAFSによる固定化Pdビスホスフィン錯体構造と表面細孔との関連性解明とその触媒活性

本倉 健*; 福田 拓磨*; 上村 洋平*; 松村 大樹   ; 池田 まりか*; 南保 雅之*; Chun, W.-J.*

Motokura, Ken*; Fukuda, Takuma*; Uemura, Yohei*; Matsumura, Daiju; Ikeda, Marika*; Nambo, Masayuki*; Chun, W.-J.*

In this study, mesoporous and nonporous silica-supported Pd complexes were synthesized and characterized. Variable-temperature XAFS measurements and a curve-fitting analysis showed a slightly larger contribution of $$sigma^{2}_{rm static}$$ when the Pd complexes were on a nonporous support in comparison to a mesoporous support. In contrast, the catalytic performance of the attached Pd complex in the Suzuki-Miyaura cross-coupling reaction was not affected by such small differences in the static disorder of the Pd complex.

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パーセンタイル:3.29

分野:Chemistry, Physical

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