Results: 1-25 | 26-49
Results: 1-25/49

Authors: Yasuda, S Fukushima, K Kakehi, A
Citation: S. Yasuda et al., Formation and chemical structures of acid-soluble lignin I: sulfuric acid treatment time and acid-soluble lignin content of hardwood, J WOOD SCI, 47(1), 2001, pp. 69-72

Authors: Akiyama, H Fujimoto, T Ohshima, K Hoshino, K Saito, Y Okamoto, A Yamamoto, I Kakehi, A Iriye, R
Citation: H. Akiyama et al., Stereoselective synthesis of medium-sized cyclic compounds by means of tandem reactions of a cyclic oxosulfonium ylide with acetates of Baylis-Hillman adducts, EUR J ORG C, (12), 2001, pp. 2265-2272

Authors: Matsumoto, K Toda, M Hayashi, N Kim, JC Kakehi, A
Citation: K. Matsumoto et al., Conformational stability of 2,2 '-dialkoxybenzpinacols in solid state, SUPRAMOL CH, 13(1), 2001, pp. 79-92

Authors: Matsumoto, K Uchida, T Toda, M Hayashi, N Ikemi, Y Aoyama, K Kakehi, A
Citation: K. Matsumoto et al., Comparative X-ray diffraction studies and molecular orbital calculations on diazinium dicyanomethylides, SUPRAMOL CH, 13(1), 2001, pp. 93-102

Authors: Suga, H Shi, XL Ibata, T Kakehi, A
Citation: H. Suga et al., Regioselectivity in formal [3+2] cycloaddition reaction of 5-alkoxyoxazoles with diethyl oxomalonate and 2,3-dichloro-5,6-dicyano-1,4-benzoquinone, HETEROCYCLE, 55(9), 2001, pp. 1711

Authors: Konakahara, T Ogawa, R Tamura, S Kakehi, A Sakai, N
Citation: T. Konakahara et al., A novel synthesis of 3-nitropyridine derivatives from N-silyl-1-azaallylanions, HETEROCYCLE, 55(9), 2001, pp. 1737

Authors: Abe, N Fujii, H Kakehi, A
Citation: N. Abe et al., Reaction of 2-chloro-1-azaazulene with diphenylcyclopropenone; Dimerization of the cycloadduct attended by cine-substitution and rearrangement, HETEROCYCLE, 55(6), 2001, pp. 1189-1194

Authors: Konakahara, T Sugama, N Yamada, A Kakehi, A Sakai, N
Citation: T. Konakahara et al., Cyclization reaction of N-silyl-1-azaallyl anions with Michael acceptors as a new synthetic method of 2,3,5,6-tetra- and 2,3,6-trisubstituted pyridines, HETEROCYCLE, 55(2), 2001, pp. 313-322

Authors: Matsumoto, K Tanaka, N Uchida, T Ikemi, Y Hayashi, N Aoyama, K Kakehi, A
Citation: K. Matsumoto et al., 1,3-dipolar cycloaddition of 1-phenylpropa-1, 2-diene with pyridinium dicyanomethylides : 1-phenylpropa-1, 2-diene as a synthetic equivalent of 1-phenylpropyne, HETEROCYCLE, 54(2), 2001, pp. 611

Authors: Kakehi, A Ito, S Suga, H Yasuraoka, K
Citation: A. Kakehi et al., Preparation of new nitrogen-bridged heterocycles. 50. Syntheses of some heterocyclic compounds starting from pyridinium 1-(ethoxycarbonylacetyl)methylides, HETEROCYCLE, 54(1), 2001, pp. 185-200

Authors: Ito, S Kakehi, A Okada, K Shibazaki, I
Citation: S. Ito et al., Thermolysis of ethoxycarbonyl[2-phenyl-2-(phenylsulfonylhydrazono)ethyl]methylenetriphenylphosphoranes formation of substituted pyridazinones, HETEROCYCLE, 54(1), 2001, pp. 237-248

Authors: Abe, N Nabeshima, M Fujii, H Kakehi, A Kageura, Y Konakahara, T
Citation: N. Abe et al., Reductive cyclization of 8-(2-nitrophenyl)-1-azaazulene derivatives; Formation of 6a,7-diazanaphth[3,2,1-c d]azulene and 7H-1,7-diazaindeno[1,2-e]azulene systems, a new DNA intercalater, HETEROCYCLE, 54(1), 2001, pp. 329-339

Authors: Kamimura, A Kawahara, F Omata, Y Murakami, N Morita, R Otake, H Mitsudera, H Shirai, M Kakehi, A
Citation: A. Kamimura et al., Regioselective conjugate addition of thiols to unsymmetric fumaric esters in the presence of a lithium cation, TETRAHEDR L, 42(48), 2001, pp. 8497-8500

Authors: Nagao, T Suenaga, T Ichihashi, T Fujimoto, T Yamamoto, I Kakehi, A Iriye, R
Citation: T. Nagao et al., Diastereoselective tandem Michael-intramolecular Wittig reactions of a cyclic phosphonium ylide with 8-phenylmenthyl enoates, J ORG CHEM, 66(3), 2001, pp. 890-893

Authors: Matsumoto, K Taketsuna, H Kim, JC Kakehi, A
Citation: K. Matsumoto et al., Inverse-electron demand [(pi)2+(sigma)2+(sigma)2] cycloaddition reaction of dimethyl oxaquadricyclane-2,3-dicarboxylate with cyclooctyne, J HETERO CH, 38(5), 2001, pp. 1233-1236

Authors: Suga, H Kakehi, A Ito, S Inoue, K Ishida, H Ibata, T
Citation: H. Suga et al., Stereocontrol in a ytterbium triflate-catalyzed 1,3-dipolar cycloaddition reaction of carbonyl ylide with N-substituted maleimides and dimethyl fumarate, B CHEM S J, 74(6), 2001, pp. 1115-1121

Authors: Noguchi, M Okada, H Tanaka, M Matsumoto, S Kakehi, A Yamamoto, H
Citation: M. Noguchi et al., Mechanistic considerations on the oxime-nitrone isomerization and intramolecular cycloaddition reaction of 3-(alk-2-enylamino)propionaldehyde grimes, B CHEM S J, 74(5), 2001, pp. 917-925

Authors: Kakehi, A Ito, S Suga, H Sakurai, S Kobayashi, T
Citation: A. Kakehi et al., Preparation of new nitrogen-bridged heterocycles. 51. Syntheses and structures of compounds having two indolizine nuclei in a molecule, CHEM PHARM, 49(11), 2001, pp. 1401-1405

Authors: Suga, H Kakehi, A Ito, S Inoue, K Ishida, H Ibata, T
Citation: H. Suga et al., Stereocontrol in rare earth metal triflate-catalyzed 1,3-dipolar cycloaddition reaction of 2-benzopyrylium-4-olate with aldehydes, ORG LETT, 2(20), 2000, pp. 3145-3148

Authors: Kamimura, A Omata, Y Mitsudera, H Kakehi, A
Citation: A. Kamimura et al., A simple preparation of syn-NH-amide aldols and amide-Baylis-Hillman adducts via a Michael-aldol tandem process, J CHEM S P1, (24), 2000, pp. 4499-4504

Authors: Noguchi, M Yamada, H Takamura, S Uchida, T Hironaka, M Kakehi, A Yamamoto, H
Citation: M. Noguchi et al., Stereoselective azepine-ring formation through ene reactions of 3-(alk-2-enyl)amino-2-cyanoacrolein derivatives, EUR J ORG C, (8), 2000, pp. 1489-1496

Authors: Matsumoto, K Goto, S Toda, M Kakehi, A
Citation: K. Matsumoto et al., An extremely unusual reaction of 2,3,4-triphenyl-3-azabicyclo[3.2.0]hepta-1,4-diene with dimethyl acetylenedicarboxylate, HETEROCYC C, 6(3), 2000, pp. 245-248

Authors: Uddin, MJ Fujimoto, T Kakehi, A Shirai, H Yamamoto, I
Citation: Mj. Uddin et al., Diastereoselective synthesis of bridgehead heterobicyclic spiro compounds derived from tandem Michael intramolecular 1,3-dipolar cycloaddition of nitrones, HETEROCYC C, 6(2), 2000, pp. 113-118

Authors: Abe, N Odagiri, K Fujii, H Kakehi, A
Citation: N. Abe et al., Synthesis and some reactions of 1,8-diamino-1-azaazulenium salts, HETEROCYCLE, 53(2), 2000, pp. 323

Authors: Abe, N Matsuda, H Fujii, H Kakehi, A
Citation: N. Abe et al., Reaction of 2-hydrazino-1-azaazulene with diphenylnitrone: Unexpected, formation of phenylimino-p-benzoquinone-N-oxide, HETEROCYCLE, 53(2), 2000, pp. 353
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