2020年12月22日
Synthesis of Platinum-Containing Conjugated Polymers Bearing Optically Active Amide Groups: A Mechanistic Study of Chiral Aggregation
Macromolecules
- ,
- ,
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- 巻
- 53
- 号
- 24
- 開始ページ
- 11077
- 終了ページ
- 11088
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1021/acs.macromol.0c00911
- 出版者・発行元
- American Chemical Society ({ACS})
Chirally regulated pi-conjugated polymers containing platinum (Pt) complex moieties have great potential as chiroptically functional materials. In this study, novel platinum-containing conjugated polymers, poly(1a-2) and poly( 1b-2), were synthesized by the dehydrochlorination coupling polymerization of dichloro(4,4'-tertbutyl-2,2'-bipyridyl)platinum (1a) and dichloro(4,4'-dinonyl-2,2'bipyridyl)platinum (lb) with N-[ 3,5-bis(4-ethynylphenylethynyl)benzoyl] -L-alanine dodecylamide (2), and their chiral secondary structures in solutions were investigated. Poly(1a-2) exhibited bisignate circular dichroism (CD) signals assignable to the main chain chromophore (300-450 nm) in dimethylformamide (DMF)/MeOH = SO/SO (v/v). The presence of particles of Z-average = 30 nm was confirmed in this solution. These results indicated that poly (1a-2) formed chirally regulated aggregates. Single-crystal X-ray analysis of the model compound and density functional theory (DFT) calculations were carried out to examine the mode of aggregation of the polymers.
- リンク情報
- ID情報
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- DOI : 10.1021/acs.macromol.0c00911
- ISSN : 0024-9297
- eISSN : 1520-5835
- ORCIDのPut Code : 84490061
- Web of Science ID : WOS:000603301500040