Convenient synthesis of [3] catenane by olefin metathesis dimerizations H Iwamoto, K Itoh, H Nagamiya, Y Fukazawa Tetrahedron letters 44 (31), 5773-5776, 2003 | 57 | 2003 |
Copper(II) Triflate Catalyzed Intermolecular Aromatic Substitution of N,N‐Disubstituted Anilines with Diazo Esters E Tayama, T Yanaki, H Iwamoto, E Hasegawa European Journal of Organic Chemistry 2010 (35), 6719-6721, 2010 | 53 | 2010 |
Thermodynamic study on supramolecular complex formation of fullerene with calix [5] arenes in organic solvents M Yanase, M Matsuoka, Y Tatsumi, M Suzuki, H Iwamoto, T Haino, ... Tetrahedron Letters 41 (4), 493-497, 2000 | 50 | 2000 |
Benzimidazolium naphthoxide betaine is a visible light promoted organic photoredox catalyst E Hasegawa, N Izumiya, T Miura, T Ikoma, H Iwamoto, S Takizawa, ... The Journal of Organic Chemistry 83 (7), 3921-3927, 2018 | 47 | 2018 |
Noncovalent Isotope Effect for Guest Encapsulation in Self‐Assembled Molecular Capsules T Haino, K Fukuta, H Iwamoto, S Iwata Chemistry–A European Journal 15 (48), 13286-13290, 2009 | 46 | 2009 |
Visible Light and Hydroxynaphthylbenzimidazoline Promoted Transition-Metal-Catalyst-Free Desulfonylation of N-Sulfonylamides and N-Sulfonylamines E Hasegawa, Y Nagakura, N Izumiya, K Matsumoto, T Tanaka, T Miura, ... The Journal of Organic Chemistry 83 (18), 10813-10825, 2018 | 43 | 2018 |
Aryl-substituted dimethylbenzimidazolines as effective reductants of photoinduced electron transfer reactions E Hasegawa, T Ohta, S Tsuji, K Mori, K Uchida, T Miura, T Ikoma, ... Tetrahedron 71 (34), 5494-5505, 2015 | 39 | 2015 |
Copper (II)–acid co-catalyzed intermolecular substitution of electron-rich aromatics with diazoesters E Tayama, M Ishikawa, H Iwamoto, E Hasegawa Tetrahedron Letters 53 (38), 5159-5161, 2012 | 37 | 2012 |
Synthesis of linear [5] catenanes via olefin metathesis dimerization of pseudorotaxanes composed of a [2] catenane and a secondary ammonium salt H Iwamoto, S Tafuku, Y Sato, W Takizawa, W Katagiri, E Tayama, ... Chemical Communications 52 (2), 319-322, 2016 | 34 | 2016 |
Protocol for visible-light-promoted desulfonylation reactions utilizing catalytic benzimidazolium aryloxide betaines and stoichiometric hydride donor reagents E Hasegawa, T Tanaka, N Izumiya, T Kiuchi, Y Ooe, H Iwamoto, ... The Journal of Organic Chemistry 85 (6), 4344-4353, 2020 | 33 | 2020 |
Synthesis and binding behavior of a Zn (II)-porphyrin having calix [5] arene cap H Iwamoto, Y Yukimasa, Y Fukazawa Tetrahedron letters 43 (45), 8191-8194, 2002 | 31 | 2002 |
Carbon–carbon bond formation via benzoyl umpolung attained by photoinduced electron-transfer with benzimidazolines T Igarashi, E Tayama, H Iwamoto, E Hasegawa Tetrahedron Letters 54 (50), 6874-6877, 2013 | 26 | 2013 |
A formal method for the de-N, N-dialkylation of Sommelet–Hauser rearrangement products E Tayama, R Sato, K Takedachi, H Iwamoto, E Hasegawa Tetrahedron 68 (24), 4710-4718, 2012 | 26 | 2012 |
Selective synthesis of [2]-and [3] catenane tuned by ring size and concentration H Iwamoto, W Takizawa, K Itoh, T Hagiwara, E Tayama, E Hasegawa, ... The Journal of Organic Chemistry 78 (11), 5205-5217, 2013 | 25 | 2013 |
Five new sulfur-containing polybrominated bisindoles from the red alga Laurencia brongniartii NK Kubota, H Iwamoto, Y Fukazawa, Y Uchio Heterocycles 65 (11), 2675-2682, 2005 | 25 | 2005 |
Synthesis of taxoid ring systems: AC→ ABC approach by way of intramolecular alkylation T Takahashi, H Iwamoto, K Nagashima, T Okabe, T Doi Angewandte Chemie International Edition in English 36 (12), 1319-1321, 1997 | 25 | 1997 |
Metal-free, one-pot, sequential protocol for transforming α, β-epoxy ketones to β-hydroxy ketones and α-methylene ketones E Hasegawa, S Arai, E Tayama, H Iwamoto The Journal of Organic Chemistry 80 (3), 1593-1600, 2015 | 23 | 2015 |
Double axial chirality promoted asymmetric [2, 3] Stevens rearrangement of N-cinnamyl L-alanine amide-derived ammonium ylides E Tayama, N Naganuma, H Iwamoto, E Hasegawa Chemical Communications 50 (52), 6860-6862, 2014 | 23 | 2014 |
Application of biphasic reaction procedure using ferric chloride dissolved in an imidazolium salt and benzotrifluoride (FeIm-BTF procedure) to aza-Prins cyclization reaction E Hasegawa, N Hiroi, C Osawa, E Tayama, H Iwamoto Tetrahedron letters 51 (50), 6535-6538, 2010 | 23 | 2010 |
Remarkable enhancement effect of potassium tert-butoxide/THF solution in base-induced Sommelet–Hauser rearrangements E Tayama, K Takedachi, H Iwamoto, E Hasegawa Tetrahedron 66 (48), 9389-9395, 2010 | 23 | 2010 |