Zobrazeno 1 - 10
of 26
pro vyhledávání: '"Hirotsugu Tomiyasu"'
Autor:
Islam, Md Monarul, Hirotsugu, Tomiyasu, Thuery, Pierre, Matsumoto, Taisuke, Tanaka, Junji, Elsegood, Mark R.J., Redshaw, Carl, Yamato, Takehiko
Publikováno v:
In Journal of Molecular Structure 15 October 2015 1098:47-54
Autor:
Chong Wu, Xi Zeng, Carl Redshaw, Jiang-Lin Zhao, Mark R. J. Elsegood, Takehiko Yamato, Hirotsugu Tomiyasu
Publikováno v:
Chemistry - An Asian Journal. 11:1606-1612
A rare and exclusive endoperoxide photoproduct was quantitatively obtained from a thiacalix[4]arene crown-shaped derivative upon irradiation at λ=365 nm; the structure was unambiguously confirmed by (1) H/(13) C NMR spectroscopy and X-ray crystallog
Autor:
Paris E. Georghiou, Mark R. J. Elsegood, Takehiko Yamato, Shofiur Rahman, Simon J. Teat, Carl Redshaw, Hiroto Kawazoe, Thomas G. Warwick, Jiang-Lin Zhao, Hang Cong, Xin-Long Ni, Xi Zeng, Hirotsugu Tomiyasu
Publikováno v:
New Journal of Chemistry. 40:9245-9251
Three novel thiacalix[4]arene receptors 4a–c each with a 1,3-alternate conformation and possessing two urea moieties linking various phenyl groups substituted with either para electron-donating or -withdrawing groups have been synthesized. The bind
Autor:
Islam, M. Monarul1, Hirotsugu, Tomiyasu1, Matsumoto, Taisuke2, Tanaka, Junji2, Yamato, Takehiko1
Publikováno v:
Canadian Journal of Chemistry. Nov2015, Vol. 93 Issue 11, p1161-1168. 8p. 10 Diagrams, 2 Charts.
Autor:
Chong Wu, Hang Cong, Shofiur Rahman, Hirotsugu Tomiyasu, Paris E. Georghiou, Jiang-Lin Zhao, Takehiko Yamato, Carl Redshaw, Xi Zeng, David L. Hughes
Publikováno v:
Tetrahedron. 71:8521-8527
A new thiacalix[4]arene based fluorescent chemosensor L bearing two pyrenyl groups in a 1,3-alternate conformation has been synthesized, and its metal ion-binding and fluorescence-sensing properties were investigated in ethanol. The designed chemosen
Autor:
Xing Feng, Hirotsugu Tomiyasu, Lynne Horsburgh, Carl Redshaw, Mark R. J. Elsegood, Xian-Fu Wei, Simon J. Teat, Jian-Yong Hu, Takehiko Yamato
Publikováno v:
The Journal of Organic Chemistry. 80:10973-10978
This article presents a novel asymmetrical functionalization strategy for the construction of dipolar molecules via efficient regioselective functionalization along the Z-axis of pyrene at both the 1,3- and 6,8-positions. Three asymmetrically substit
Autor:
Hirotsugu Tomiyasu, Carl Redshaw, Ummey Rayhan, Zannatul Kowser, Takehiko Yamato, Xue-Kai Jiang
Publikováno v:
New Journal of Chemistry. 39:4055-4062
The different binding behaviour of 7-tert-butylpyrene based chemosensors bearing dipicolylamine (Dpa) linkages at the 1,3-positions was investigated in various solvents for the sensing of Zn(II) and Cd(II).The potential mono-chelating ligand L1 follo
Autor:
Jian-Yong Hu, Carl Redshaw, Takehiko Yamato, Hirotsugu Tomiyasu, Xing Feng, Mark R. J. Elsegood, Zhu Tao, Lynne Horsburgh, Simon J. Teat, Xian-Fu Wei
Publikováno v:
RSC Advances. 5:8835-8848
The present work probes the bromination mechanism of 2-tert-butylpyrene (1), which regioselectively affords mono-, di-, tri- and tetra-bromopyrenes, by theoretical calculation and detailed experimental methods. The bromine atom may be directed to the
Autor:
Beth Jones, Hirotsugu Tomiyasu, Jiang-Lin Zhao, Xi Zeng, Simon J. Teat, Xin-Long Ni, Carl Redshaw, Takehiko Yamato, Mark R. J. Elsegood
Publikováno v:
RSC Advances. 5:14747-14755
Heteroditopic receptors (4a–e) based on a thiacalix[4]arene in the 1,3-alternate conformation, which have two urea moieties linking various phenyl groups substituted with either electron-donating or -withdrawing groups at their m-, or p-positions w
Autor:
Mark R. J. Elsegood, Shofiur Rahman, Hirotsugu Tomiyasu, Takehiko Yamato, Jiang-Lin Zhao, Xin-Long Ni, Simon J. Teat, Carl Redshaw, Xi Zeng, Paris E. Georghiou
Publikováno v:
Organic & Biomolecular Chemistry. 13:3476-3483
Three organic ionophores (2-4) based on the p-tert-butylthiacalix[4]arene backbone, blocked in the 1,3-alternate conformation, bearing two pyridyl coordinating moieties (ortho for 2, meta for 3 and para for 4), have been synthesized and characterized