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(1) Chemistry and crystal structures of complexes of caffeine and tea catechins
Takashi Ishizu, Hiroyuki Tsutsumi
Caffeine, Food and Nutritional Components in Focus,Royal Society of Chemistry Publishing in press (2012).

(2) Drug Development for Eradication with Inclusion Complex of Mutifunctional-modifiedƒÀCD
Hiroyuki Tsutsumi, Seiji Eto, Hazuki Shimoda, Hirohito Ikeda, Takashi Ishizu, Tokihiro Niiya
J. Comput. Chem. Jpn., 10(3), 88-97 (2011).

(3) Configurational Studies of Complexes of Various Tea Catechins and Caffeine in Crystal State
Hiroyuki Tsutsumi, Yoshifumi Kinoshita, Takashi Sato, Takashi Ishizu
Chem. Pharm. Bull., 59(8), 1008-1015 (2011).

(4) Configurational Studies of Complexes of Tea Catechins with Caffeine and Various Cyclodextrins
Takashi Ishizu, Shinya Kajitani, Hiroyuki Tsutsumi, Takashi Sato, Hideji Yamamoto, Chikako Hirata
Planta Medica, 77, 1099-1109 (2011).

(5) Total synthesis of benzo[c]phenanthridine alkaloids based on a microwave-assisted electrocyclic reaction of the aza 6ƒÎ-electron system and structural of broussonpapyrine
Yuhsuke Ishihara, Shuhei Azuma, Tominari Choshi, Kakujirou Kohno, Kanako Ono, Hiroyuki Tsutsumi, Takashi Ishizu, Satoshi Hibino
Tetrahedron 67,1320-1333 (2011).

(6) Stereochemical Structure and Intermolecular Interaction of Complexes of (-)-Gallocatechin-3-O-Gallate and Caffeine
Hiroyuki Tsutsumi, Takashi Sato, Takashi Ishizu
Chem. Pharm. Bull., 59(1), 100-105 (2011).

(7) Stereochemical structure determination of caffeine complexes with galloylated and non-galloylated catechins
Takashi Ishizu, Takashi Sato, Hiroyuki Tsutsumi and Hideji Yamamoto
Chem. Lett.., 39, 607-609 (2010).

(8) Offset ƒÎ-ƒÎ interaction in crystal structure of (-)-gallocatechin-3-O-gallate
Hiroyuki Tsutsumi, Takashi Sato and Takashi Ishizu
Chem. Pharm. Bull., 58, 572-574 (2010).

(9) Dibridged Bis(Zn2+-cyclen): A novel host molecule of malonate dianion in aqueous solution
Haruto Fujioka, Sayuri Kishida, Takashi Ishizu, Motoo Shiro, Eiji Kinoshita, and Tohru Koike
Bull. Chem. Soc. Jpn., 83, 267-272 (2010).

(10) 13C •WޝƒJƒtƒFƒCƒ“•ž—pŒã‚̃qƒg”A’†‘ãŽÓ•¨‚ÌNMR‚É‚æ‚鑪’è, ˆÀ’蓯ˆÊ‘̂ƶ‘̃KƒXˆãŠw‰ž—p@@@@@ŒÜ˜YŠÛ‹B, Š`Œ´—ÇŽ}, –{‰®•~•q—Y, Î’Ã@—², vol. 2, No.1, p22-27 (2010).

(11) Interaction between gallocatechin gallate and caffeine in crystal structure of 1:2 and 2:2 complexes
Takashi Ishizu, Hiroyuki Tsutsumi, Takashi Sato
Tetrahedron Lett.., 50, 4121-4124 (2009).

(12) Crystal structure of complex of gallocatechin gallate and caffeine
Takashi Ishizu, Hiroyuki Tsutsumi, Takashi Sato and Motoo Shiro
Chem. Lett.., 38, 230-231 (2009).

(13) NMR spectroscopic characterization of inclusion complexes comprising cyclodextrins and gallated catechins in aqueous solution: cavity size dependency
Takashi Ishizu, Hiroyuki Tsutsumi, Hideji Yamamoto and Kazunobu Harano
Magn. Reson. Chem., 47, 283-287 (2009).

(14) Diastereomeric difference of inclusion modes between (-)-epicatechin gallate, (-)-epigallocatechin gallate and (+)-gallocatechin gallat, with ƒÀ-cyclodextrin in aqueous solvent
Takashi Ishizu, Shinya Kajitani, Hiroyuki Tsutsumi, Hideji Yamamoto and Kazunobu Harano
Magn. Reson. Chem., 46, 448-456 (2008).

(15)
Synthesis of 6-methylindole-4,7-quinone and anti-tumor activites of its related indolequinones
Junko Nobuhiro, Maho Hirayama, Tominari Choshgi, Keiichi Kamoshita, Sakiko Maruyama, Yoshikazu Sukenaga, Takashi Ishizu, Haruto Fujioka, and Satoshi Hibino
Heterocycles, 70, 491-499 (2007).

(16) Identification of N-ethylglycine in urine of cancer patients with metastatic bone disease
Yasuto Tsuruta, Maya Matsumoto, Hirofumi Inoue, Sayaka Munemura, Takashi Ishizu, Shigeru Yamano, Haruo Iguchi
Clinica Chimica Acta, 376, 226-228 (2007).