Faculty of Science and Technology
基本情報
研究キーワード
35論文
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RSC Advances 12(40) 26411-26417 2022年The palladium-mediated intramolecular biarylation of the cyclic triamide of 2-bromo-4-(isobutylamino)benzoic acid proceeded effectively by the introduction of three methyl groups and the use of tri-tert-butylphosphine as the ligand.
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Tetrahedron Letters 62 2021年1月5日© 2020 Elsevier Ltd A coronene analogue containing amide linkage was synthesized from a halogenated cyclic triamide by palladium-mediated intramolecular C[sbnd]C bond formation. The cyclic triamide was formed from the condensation of 2-chloro-4-(isobutylamino)benzoic acid in the presence of dichlorotriphenylphosphorane in 1,1,2,2-tetrachloroethane. By contrast, the condensation of 2-bromo counterpart required silicon tetrachloride in pyridine. The intramolecular C[sbnd]C bond formation, which yielded the target coronene analogue, occurred during the reaction of bromo-substituted cyclic triamide with palladium(II) acetate, triphenylphosphine, and potassium carbonate in N,N-dimethylformamide.
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The Journal of Organic Chemistry 85(4) 2019-2039 2020年2月21日
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Tetrahedron Letters 59(47) 4153-4157 2018年11月21日 査読有り
MISC
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ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 242 2011年8月
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Macromolecules (DOI: 10.1021/ma200055g) 44(9) 3185-3188 2011年5月
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CHEMICAL REVIEWS 109(11) 5595-5619 2009年11月
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MACROMOLECULES 42(12) 3849-3851 2009年6月The synthesis of poly (naphthalenecarboxamide) with a chiral tri (ethylene glycol) side chain and their secondary structure in solution was discussed. The helical structure was confirmed by X- ray crystallographic analysis of oligo (N-methyl-p-benzamide), which revealed a helical conformation with three monomer units per turn in crystal and by exciton model analysis of CD spectra induced by the secondary structure of the polyamide. The UV and CD spectra in solution indicated that the polyamide adopts a one-handed helical conformation. The excitation model analysis of the UV and CD spectra indicated that poly (naphthalenecarboxamide) with a chiral tri (ethylene glycol) side chain has adopted a thermodynamically controlled right handed helical conformation in organic solvents. The folding of napthalene polyamide can be enhanced by a solvophobic effect and completed at 0-15 ° C in 70% water-methanol.
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ABSTRACTS OF PAPERS OF THE AMERICAN CHEMICAL SOCIETY 236 2008年8月
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日本学術振興会 科学研究費助成事業 2018年4月 - 2020年3月
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