Syntheses and functions of coordination polymers that transform to molecular capsules

2017 Fiscal Year Final Research Report

• Project/Area Number: 15K05450
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Inorganic chemistry
• Research Institution: Shizuoka University
• Principal Investigator: Kondo Mitsuru 静岡大学, グリーン科学技術研究所, 教授 (80254142)
• Project Period (FY): 2015-04-01 – 2018-03-31
• Keywords: 配位高分子 / カプセル分子 / 過塩素酸イオン / 陰イオン除去 / 構造変化

Outline of Final Research Achievements

For coordination polymers that transform to the molecular capsules, new coordination polymers have been synthesized by using 1,4-bis(imidazol-1-ylmethyl)-2,3,5,6-tetramethylbenzene (bitb) as bridging ligand. Reaction of CuBr2 with bitb gave [Cu(bitb)2Br2] It has been shown that this compound transforms to M2L4 molecular capsule that trap perchlorate ion within it when their compounds are immersed in an aqueous solution that contains the anion. Because both starting materials and the produced compounds are insoluble in water, the perchlorate ion was selectively removed from the solution.
For other coordination polymers, three new coordination polymers, [Cu(bie)2(MeOH)]SO4, [Cu(bie)2(SO4)]MeOH, and [Cu(bie)(CH3COO)2], have been synthesized by using bis[2-(1H-imidazol-1-yl)ethyl]ether (bie). Compound [Cu(bie)2(SO4)]MeOH is a kinetically controlled compound, while the others are thermodynamically controlled compounds.The structural transformations among them were clarified.

Free Research Field

無機化学