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EmailF | hiroya—@i—ˆÈ‰º‚Í@mail.pharm.tohoku.ac.jpj |
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Title | Authors | Journal, Year, Vol. Pages |
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Synthesis of 6Z-Pandanamine by Regioselective Cyclization Reaction of 2-En-4-ynoic Acid Derivatives Promoted by Weak Base. | Hiroya, K.; Takuma, K.;Inamoto,K.; Sakamoto, T. | Heterocycles in press |
Palladium-catalysed Direct synthesis of Benzo[b]thiophenes from Thioenols. | Inamoto, K.; Arai, Y.; Hiroya, K.; Doi, T. | Chem. Commun in press |
Palladium-Catalyzed C-H Activation/Intramolecular Amination Reaction: A New Route to 3-Aryl/Alkylindazoles. | Inamoto, K.; Saito, T.; Katsuno, M.; Sakamoto, T.; Hiroya, K. | Org. Lett. 2007, 9, 2931-2934 |
Catalytic Activities of a Bis(carbene)-Derived Nickel(II)-Pincer Complex in Kumada-Tamao-Corriu and Suzuki-Miyaura Coupling Reactions for the Synthesis of Biaryl Compounds. | Inamoto, K.; Kuroda, J.-i.; Sakamoto, T.; Hiroya, K. | Synthesis 2007, 2853-2861 |
Synthesis of 3-Substituted Indazoles and Benzoisoxazoles via Pd-Catalyzed Cyclization Reactions: Application to the Synthesis of Nigellicine. | Inamoto, K.; Katsuno, M.; Yoshino, T.; Arai, Y.; Hiroya, K.; Sakamoto, T. | Tetrahedron 2007, 63, 2695-2711 |
Regiocontrolled Intramolecular Cyclizations of Carboxylic Acids to Carbon-Carbon Triple Bonds Promoted by Acid or Base Catalyst. | Uchiyama, M.; Ozawa, H.; Takuma, K.; Matsumoto, Y.; Yonehara, M.; Hiroya, K.; Sakamoto, T. | Org. Lett. 2006, 8, 5517-5520 |
Synthesis and Catalytic Activity of a Pincer-Type Bis(imidazolin-2-ylidene) Nickel(II) Complex. | Inamoto, K.; Kuroda, J.-i.; Hiroya, K.; Noda, Y.; Watanabe, M.; Sakamoto, T. | Organomet. 2006, 25, 3095-3098 |
Cyclization Reactions of Homopropargyl Azide Derivatives Catalyzed by PtCl4 in Ethanol Solution: Synthesis of Functionalized Pyrrole Derivatives. | Hiroya, K.; Matsumoto, S.; Ashikawa, M.; Ogiwara, K.; Sakamoto, T. | Org. Lett. 2006, 8, 5349-5352 |
Introduction of the Acetate Unit to the 2-Pyridinone Ring System and Its Application to the Synthesis of (20S)-Camptothecin DE Ring System. | Hiroya, K.; Kawamoto, K.; Sakamoto, T. | Synlett 2006, 2636-2640 |
Highly Regioselective Palladium-Catalyzed Annulation Reactions of Heteroatom-Substituted Allenes for Synthesis of Condensed Heterocycles. | Inamoto, K.; Yamamoto, A.; Ohsawa, K.; Hiroya, K.; Sakamoto, T. | Chem. Pharm. Bull. 2005, 53, 1502-1507 |
The Optimization for Cyclization Reaction of 2-(2-Carbomethoxy- ethynyl)aniline Derivatives and Formal Synthesis of Pyrroloquinoline Quinone and Its Analogue Utilizing a Sequential Coupling- Cyclization Reaction. | Hiroya, K.; Matsumoto, S.; Ashikawa, M.; Kida, H.; Sakamoto, T. | Tetrahedron 2005, 61, 12330-12338 |
Mild and Efficient Cyclization Reaction of 2-Ethynylaniline Derivatives to Indoles in Aqueous Media. | Hiroya, K.; Itoh, S.; Sakamoto, T. | Tetrahedron 2005, 61, 10958-10964 |
The New Method for Introduction of an Allyl Group into the Angular Position of 2-(TBS-oxymethyl)-2,3,4,6,7,8-hexahydro-1-benzopyran- 5-one and Its Application to Chiral Wieland-Miescher Type Compound Synthesis. | Hiroya, K.; Takahashi, T.; Shimomae, K.; Sakamoto, T. | Chem. Pharm. Bull. 2005, 53, 207-213 |
Efficient Synthesis of 3-Substituted Indazoles Using Pd-Catalyzed Intramolecular Amination Reaction of N-Tosylhydrazones. | Inamoto, K.; Katsuno, M.; Yoshino, T.; Suzuki, I.; Hiroya, K.; Sakamoto, T. | Chem. Lett. 2004, 33, 1026-1027 |
New Synthetic Method for Indole-2-carboxylate and Its Application to Total Synthesis of Duocarmycin SA. | Hiroya, K.; Matsumoto, S.; Sakamoto, T. | Org. Lett. 2004, 6, 2953-2956 |
Development of an Efficient Procedure for Indole Ring Synthesis from 2-Ethynylaniline Derivatives Catalyzed by Cu(II) Salts and Its Application to Natural Product Synthesis. | Hiroya, K.; Itoh, S.; Sakamoto, T. | J. Org. Chem. 2004, 69, 1126-1136 |
ŠÂ‰»”½‰ž‚ÌŠJ”‚Ɖž—p | œA’J@Œ÷, â–{@®•v | ‰»ŠwH‹Æ, 2004, 55, 5-13 |
Functionalization of N-Tosyl-2-Pyridinone with Silyl Ketene Acetal Catalyzed by Lewis Acid, and Synthetic Studies of Corynantheidol. | Hiroya, K.; Jouka, R.; Katoh, O.; Sakuma, T.; Anzai, M.; Sakamoto, T. | Arkivok 2003, (viii), 232-246 |
Synthesis of Betulin Derivatives and Their Protective Effects against the Cytotoxicity of Cadmium. | Hiroya, K.; Takahashi, T.; Miura, N.; Naganuma, A.; Sakamoto, T. | Bioorg. Med. Chem. 2002, 10, 3229-3236 |
Efficient Construction of Indole Rings from 2-Ethynylaniline Derivatives Catalyzed by Copper(II) Salts and Its Application to The Tandem Cyclization Reactions. | Hiroya, K.; Itoh, S.; Ozawa, M.; Kanamori, Y.; Sakamoto, T. | Tetrahedron Lett. 2002, 43, 1277-1280 |
Cyclization reaction of 2-alkynylbenzyl alcohol and 2-alkynylbenzylamine derivatives promoted by tetrabutylammonium fluoride. | Hiroya, K.; Jouka, R.; Kameda, M.; Yasuhara, A.; Sakamoto, T. | Tetrahedron 2001, 57, 9697-9710 |
Total Syntheses of Three Natural Products, Vignafuran, 2-(4-Hydroxy-2-methoxyphenyl)-6-methoxybenzofuran-3-carboxylic Acid Methyl Eester, and Coumestrol from a Common Starting Material. | Hiroya, K.; Suzuki, N.; Yasuhara, A.; Egawa, Y.; Kasano, A.; Sakamoto, T. | J. Chem. Soc., Perkin Trans. 1 2000, 4339-4346 |
A Stereocontrolled Route to (−)-Epibatidine Using a Chiral cis-Cyclohexadiene-1,4-diol Equivalent. | Nakashima, H.; Hiroya, K.; Taniguchi, T.; Ogasawara, K. | Synlett 1999, 1405-1406 |
Integrated Synthesis of Conduritols A-F Using a Single Chiral Building Block. | Honzumi, M.; Hiroya, K.; Taniguchi, T.; Ogasawara, K. | Chem. Commun. 1999, 1985-1986 |
The First Enantiocontrolled Synthesis of Naturally Occurring Polyoxygenated Cyclohexenylmethanol Dibenzoates, (−)-Zeylenol, (−)-Uvarigranol G, (−)-Tonkinenin A and (+)-Pipoxide. | Hiroya, K.; Ogasawara, K. | Chem. Commun. 1999, 2197-2198 |
Preparation of the Synthetic Equivalents of Chiral Cyclohexadienone and Cycloheptadienone: The Enantio- and Diastereo-controlled Synthesis of (−)-Clavularin B. | Hiroya, K.; Zhang, H.; Ogasawara, K. | Synlett 1999, 529-532 |
An Enantio- and Diastereoselective Synthesis of (−)-Isoretronecanol and (+)-Trachelanthamidine from a Meso Precursor. | Konno, H.; Kishi, M.; Hiroya, K.; Ogasawara, K. | Heterocycles 1998, 49, 33-37 |
A Concise Enantio- and Diastereo-controlled Synthesis of (−)-Quinic Acid and (−)-Shikimic Acid. | Hiroya, K.; Ogasawara, K. | Chem. Commun. 1998, 2033-2034 |
First Enantiocontrolled Syntheses of (+)-Ulein and (+)-Dasycarpidone. | Saito, M.; Kawamura, M.; Hiroya, K.; Ogasawara, K. | J. Chem. Soc., Chem. Commun. 1997, 765-766 |
A New Tactic for Diastereo- and Enantiocontrolled Synthesis of (−)-Malyngolide via Catalytic Meso-Asymmetrization. | Konno, H.; Hiroya, K.; Ogasawara, K. | Tetrahedron Lett. 1997, 38, 6032-6026 |
An Enantioconvergent Construction of the Key Intermediate of (+)-Vincamine. | Yamane, T.; Ishizaki, M.; Suzuki, M.; Takahashi, M.; Hiroya, K.; Takano, S.; Ogasawara, K. | Heterocycles 1996, 42, 65-70 |
Stereo- and Enantio-Controlled Synthesis of two Naturally Occurring Polyoxygenated Cyclohexenemethanols, (+)-Epiepoxydon and (−)-Phyllostine, via Catalytic Asymmetrization of a Meso Substrate. | Kamikubo, T.; Hiroya, K.; Ogasawara, K. | Tetrahedron Lett. 1996, 37, 499-502 |
Lipase-Mediated Route to Diastereo-Pure Tranexamic Acid. | Watanabe, T.; Hasegawa, J.; Hiroya, K.; Ogasawara, K. | Chem. Pharm. Bull. 1995, 43, 529-531 |
Asymmetrization of Meso 1,4-Enediol Ethers by Isomerization with a Chiral Binap-RhI Catalyst. | Hiroya, K.; Kurihara, Y.; Ogasawra, K. | Angew. Chem. Int. Ed. Engl. 1995, 34, 2287-2289 |
Catalytic Asymmetrization of i-3,7-Bis-siloxycycloheptene by Chiral Rhdium(I)-binap [2,2'-bis(diphenylphsphino)-1,1'-binaphthyl] Catalyst: the Enantiocontrolled Asymmetric Synthesis of (−)-(S)-Physoperuvine. | Hiroya, K.; Ogasawara, K. | J. Chem. Soc., Chem. Commun. 1995, 2205-2206 |
Enantio- and Diastereocontrolled Synthesis of Epibatidine Analogues. | Hiroya, K.; Uwai, K.; Ogasawara, K. | Chem. Pharm. Bull. 1995, 43, 901-903 |
Lipase-Mediated Kinetic Separation of a Diastereomeric Mixture of 4-tert-Butylcyclohexanemethanol. | Hiroya, K.; Hasegawa, J.; Watanabe, T.; Ogasawara, K. | Synthesis 1995, 379-381 |
An Expeditious Route to 3-Formylfuran. | Hiroya, K.; Ogasawara, K. | Synlett 1995, 175-176 |
A Stereocontrolled Route to Both Enantiomers of the Necine Base Dihydroheliotridane via Intramolecular 1,3-Dipolar Addition Using the Same Chiral Precursor. | Hashimura, K.; Tomita, S.-i.; Hiroya, K.; Ogasawara, K. | J. Chem. Soc., Chem. Commun. 1995, 2291-2292 |