A new sesquiterpenoid produced by famale Callosobruchus rhodesianus (Pic): a possible component of the sex attractant pheromoneShimomura, K.; Koshino, H.; Yajima, A.; Matsumoto, N.; Yajima, S.; Ohsawa, K.Tetrahedron Lett. 2010, 51, 6860-6862.doi:10.1016/j.tetlet.2010.10.100
Synthesis of (2RS,8R,10R)-YM-193221 and an Improved Approach to Tyroscherin, Bioactive Natural Compounds from Pseudallescheria sp.Katsuta, R.; Yajima, A.; Ishigami, K.; Nukada, T.; Watanabe, H.Biosci. Biotechnol. Biochem.2010,74, 2056-2059.doi:10.1271/bbb.100361
Contact Sex Pheromone Components of the Seed Beetle, Callosobruchus analis (F.)Shimomura, K.; Akasaka, K.; Yajima, A.; Mimura, T.; Yajima, S.; Ohsawa, K.J. Chem. Ecol. 2010, 36, 955-965.doi:10.1007/s10886-010-9841-z
Comparison of components and synthesis genes of cell wall teichoic acid among Lactobacillus plantarum strainsTomita, S.; Irisawa, T.; Tanaka, N.; Nukada, T.; Satoh, E.; Uchimura, T.; Okada, S.Biosci. Biotechnol. Biochem. 2010, 74, 928-933.doi:10.1271/bbb.90736
Synthesis of a proposed structure for the diffusible extracellular factor of Xanthomonas campestris pv. campestrisYajima, A.; Imai, N.; Poplawsky, A. R.; Nukada, T.; Yabuta, G.Tetrahedron Lett. 2010, 51, 2074-2077.doi:10.1016/j.tetlet.2010.02.088
2009年
Structures of two monomeric units of teichoic acid prepared from the cell wall of Lactobacillus plantarum NRIC 1068Tomita, S.; Furihata, K.; Nukada, T.; Satoh, E.; Uchimura, T.; Okada, S.Biosci. Biotechnol. Biochem. 2009, 73, 530-535.doi:10.1271/bbb.80582
Flavonoids in Sasa senanensis and their antioxidative activitiesMatsuda, T.; Yamazaki, M.; Yajima, A.; Tomidzuka, N.; Nishizawa, M.Food Preservation Science 2009, 35, 11-16.
A simple synthesis of four stereoisomers of roseoside and their inhibitory activity on leukotriene release from mice bone marrow-derived cultured mast cellsYajima, A.; Oono, Y.; Nakagawa, R.; Nukada, T.; Yabuta, G.Bioorg. Med. Chem. 2009, 17, 189-194.doi: 10.1016/j.bmc.2008.11.002
Synthesis and structure revision of tyroscherin, and bioactivities of its stereoisomers against IGF-1-dependent tumor cells.Ishigami, K.; Katsuta, R.; Shibata, C.; Hayakawa, Y.: Watanabe, H.; Kitahara, T.Tetrahedron 2009, 65, 3629-3638.doi:10.1016/j.tet.2009.03.003
2008年
Synthesis and stereochemistry-activity relationship of small bacteriocin, an autoinducer of the symbiotic nitrogen-fixing bacterium Rhizobium leguminosarumYajima, A.; van Brussel, A. A. N.; Schripsema, J.; Nukada, T.; Yabuta, G.Org. Lett. 2008, 10, 2047-2050.doi: 10.1021/ol8005198
Synthesis and structure revision of tyroscherin, a growth inhibitor of IGF-1-dependent tumor cells.Katsuta, R.; Shibata, C.; Ishigami, K.; Watanabe, H.; Kitahara, T.Tetrahedron Lett. 2008, 49, 7042-7045.doi:10.1016/j.tetlet.2008.09.141
2007年
DFT studies of the role of C-2-O-2 bond rotation in neighboring-group glycosylation reactions.Whitfield, D. M.; Nukada, T.Carbohyd. Res. 2007, 342, 1291-1304.doi:10.1016/j.carres.2007.03.030
Asymmetric total synthesis of ent-sandaracopimaradiene, a biosynthetic intermediate of oryzalexinsYajima, A.; Yamaguchi, A.; Nukada, T.; Yabuta, G.Biosci. Biotechnol. Biochem. 2007, 71, 2822-2829.doi:10.1271/bbb.70468
Efficient and stereo-selective syntheses of three stereoisomers of the sex pheromone of the cowpea Weevil, Callosobruchus maculatusYajima, A.; Yamamoto, M.; Nukada, T.; Yabuta, G.Biosci. Biotechnol. Biochem. 2007, 71, 2720-2724.doi:10.1271/bbb.70309
Direct determination of the stereoisomeric composition of callosobruchusic acid, the copulation release pheromone of the azuki bean weevil, Callosobruchus chinensis L., by the 2D-Ohrui-Akasaka method.Yajima, A.; Akasaka, K.; Yamamoto, M.; Ohmori, S.; Nukada, T.; Yabuta, G.J. Chem. Ecol. 2007, 33, 1328-1335.doi: 10.1007/s10886-007-9311-4
Synthesis and biological activity of a stereoisomeric mixture of the mating horomone of PhytophthoraYajima, A.; Kawanishi, N.; Qi, J.; Asano, T.; Sakagami, Y.; Nukada, T.; Yabuta, G.Tetrahedron Lett. 2007, 48, 4601-4603.doi:10.1016/j.tetlet.2007.04.109
Determination of the absoluteconfiguration of the biologically active natural product by Ohrui-Akasaka methodYajima, A.J. Synth. Org. Chem. Jpn. 2007, 65, 226-227.J-STAGE
Asymmetric synthesis of abietane diterpenoids via B-alkyl Suzuki-Miyaura coupling. Formal total asymmetric synthesis of 12-deoxyroyleanone and cryptoquinoneYajima, A.; Yamaguchi, A.; Saitou, F.; Nukada, T.; Yabuta, G.Tetrahedron 2007, 63, 1080-1084.doi:10.1016/j.tet.2006.11.072
2006年
Investigations into the role of oxacarbenium ions in glycosylation reactions by ab initio molecular dynamics.Ionescu, A. R.; Whitfield, D. M.; Zgierski, M. Z.; Nukada, T.Carbohyd. Res. 2006, 341, 2912-2920.doi:10.1016/j.carres.2006.09.027
Two Unexpected Effects Found with 2,3,4,6-Tatra-O-methyl-D-Gluco- and Mannopyranosyl Oxacarbenium Ions. An O-2 Pseudoequatorial and a Large H-2-C-2-O-2-CH3 syn Preferencelonescu, A.; Wang, L.; Zgierski, M. Z.; Nukada, T.; Whitfield, D. M.ACS Symposium Series 2006, 930, 302-319.doi: 10.1021/bk-2006-0930
Practical Application of Computational Studies of the Glycosylation ReactionWhitfield, D. M.; Nukada, T.ACS Symposium Series 2006, 932, 265-300.doi: 10.1021/bk-2006-0932
Preparation of heat-stable antioxidant luteolin 6-C-glucoside (isoorientin) from Sasa or bamboo leavesYamazaki, M.; Matsuda, T.; Yajima, A.Jpn. Kokai Tokkyo Koho (2006), JP 2006265250
Novel flavonoid compound, its manufacture, and antioxidants containing itYamazaki, M.; Matsuda, T.; Yajima, A.Jpn. Kokai Tokkyo Koho (2006), JP 2006265249
Manufacture of tricin from bamboo leavesYamazaki, M.; Matsuda, T.; Yajima, A.Jpn. Kokai Tokkyo Koho (2006), JP 2006265248
Manufacture of antioxidative composition containing flavonoids extracted from bamboo grass leaves or bamboo leavesYamazaki, M.; Matsuda, T.; Yajima, A.Jpn. Kokai Tokkyo Koho (2006), JP 2006265247
Direct determination of the stereoisomer constitution by 2D-HPLC and stereochemistry-pheromone activity relationship of the copulation release pheromone of the cowpea weevil, Callosobruchus maculatusYajima, A.; Akasaka, K.; Nakai, T.; Maehara, H.; Nukada, T.; Ohrui, H.; Yabuta, G.Tetrahedron 2006, 62, 4590-4596.doi:10.1016/j.tet.2006.02.059
Stereoselective synthesis of Sch 642305, an inhibitor of bacterial DNA primaseIshigami, K.; Katsuta, R.; Watanabe, H.Tetrahedron 2006, 62, 2224-2230.doi:10.1016/j.tet.2005.12.009
2005年
Conformational Pathways of Saturated Six-Membered Rings. A Static and Dynamical Density Functional Study.Ionescu, A. R.; Berces, A.; Zgierski, M. Z.; Whitfield, D. M.; Nukada, T.J. Phys. Chem. A 2005, 109, 8096-8105.doi:10.1021/jp052197t
The two-conformer hypothesis: 2,3,4,6-tetra-O-methyl-mannopyranosyl and -glucopyranosyl oxacarbenium ionsNukada, T.; Berces, A.; Wang, L.; Zgierski, M. Z.; Whitfield, D. M.Carbohyd. Res. 2005, 340, 841-852.doi:10.1016/j.carres.2004.12.021
Synthesis of the four stereoisomers of 2,6-dimethyloctane-1,8-dioic acid, a component of the copulation release pheromone of the cowpea weevil, Callosobruchus maculatusNakai, T.; Yajima, A.; Akasaka, K.; Kaihoku, T.; Ohtaki, M.; Nukada, T.; Ohrui, H.; Yabuta, G.Biosci. Biotechnol. Biochem. 2005, 69, 2401-2408.doi:10.1271/bbb.69.2401
Synthesis of cordiaquinone J and K via B-alkyl Suzuki-Miyaura coupling as a key step and determination of the absolute configuration of natural productsYajima, A.; Saitou, F.; Sekimoto, M.; Maetoko, S.; Nukada, T.; Yabuta, G.Tetrahedron 2005, 61, 9164-9172.doi:10.1016/j.tet.2005.06.115
Is acyl migration to the aglycon avoidable in 2-acyl assisted glycosylation reactions?Berces, A.; Whitfield, D. M.; Nukada, T.; do Santos Z., I.; Obuchowska, A.; Krepinsky, J. J.Can. J. Chem. 2004, 82, 1157-1171.doi:10.1139/V04-059
Immobilized Baker's yeast reduction in fluorous mediaYajima, A.; Naka, K.; Yabuta, G.Tetrahedron Lett. 2004, 45, 4577-4579.doi:10.1016/j.tetlet.2004.03.172
Molecular cloning and characterization of a cDNA encoding ent-cassa-12,15-diene synthase, a putative diterpenoid phytoalexin biosynthetic enzyme, from suspension-cultured rice cells treated with a chitin elicitor.Cho, E.-M.; Okada, A.; Kenmoku, H.; Otomo, K.; Toyomasu, T.; Mitsuhashi, W.; Sassa, T.; Yajima, A.; Yabuta, G.; Mori, K.; Oikawa, H.; Toshima, H.; Shibuya, N.; Nojiri, H.; Omori, T.; Nishiyama, M.; Yamane, H.Plant J. 2004, 37, 1-8.doi:10.1046/j.1365-313X.2003.01926.x
Total synthesis of ent-cassa-12,15-diene, a putative precursor of rice phytoalexins, phytocassanes A-E.Yajima, A.; Mori, K.; Yabuta, G.Tetrahedron Lett. 2004, 45, 167-169.doi:10.1016/j.tetlet.2003.10.131
2003年
Synthesis and absolute configuration of cordiaquinone K, antifungal and larvicidal meroterpenoid isolated from the Panamanian plant, Cordia curassavica.Yajima, A.; Saitou, F.; Sekimoto, M.; Maetoko, S.; Yabuta, G.Tetrahedron Lett. 2003, 44, 6915-6918.doi:10.1016/S0040-4039(03)01669-1
2002年
Can the stereochemical outcome of glycosylation reactions be controlled by the conformational preferences of the glycosyl donor?Nukada, T.; Berces, A.; Whitfield, D. M.Carbohyd. Res. 2002, 337, 765-774.doi:10.1016/S0008-6215(02)00043-5
Lucilianosides A and B, two novel tetranor-lanostane hexaglycosides from the bulbs of Chionodoxa luciliae.Kuroda, M.; Mimaki, Y.; Ori, K.; Koshino, H.; Nukada, T.; Sakagami, H.; Sashida, Y.Tetrahedron 2002, 58, 6735-6740.doi:10.1016/S0040-4020(02)00672-5
2001年
The Conformational Origin of the Barrier to the Formation of Neighboring Group Assistance in Glycosylation Reactions: A Dynamical Density Functional Theory Study.Berces, A.; Enright, G.; Nukada, T.; Whitfield, D. M.J. Am. Chem. Soc. 2001, 123, 5460-5464.doi:10.1021/ja001194l
Quantitative description of six-membered ring conformations following the IUPAC conformational nomenclature.Berces, A.; Whitfield, D. M.; Nukada, T.Tetrahedron 2001, 57, 477-491.doi:10.1016/S0040-4020(00)01019-X
Synthesis and absolute configuration of MQ-A3 [1-(14'-methylhexadecanoyl)pyrrolidine], a novel aliphatic pyrrolidine amide from the tropical Convolvulaceous species.Yajima, A.; Yabuta, G.Biosci. Biotechnol. Biochem. 2001, 65, 463-465.doi:10.1271/bbb.65.463