Research output per year
Research output per year
- 29 results
Search results
-
2016
Stereoselective synthesis of the KJ ring system of yessotoxin by Pd(II)-catalyzed cyclization
Yokoyama, H., Nishida, K., Togawa, T., Yamagami, M., Miyazawa, M. & Hirai, Y., 2016, In: Tetrahedron Letters. 57, 39, p. 4379-4381 3 p.Research output: Contribution to journal › Article › peer-review
5 Scopus citations -
2014
Novel stereoselective synthesis of spiroketal structure using Pd(II)-catalyst
Miyazawa, M., Eizawa, T., Yoshihara, S., Hatanaka, A., Yokoyama, H. & Hirai, Y., 2014/01/15, In: Tetrahedron Letters. 55, 3, p. 753-756 4 p.Research output: Contribution to journal › Article › peer-review
2 Scopus citations -
The novel approach to indole alkaloids by using Pd(II)-catalyzed cyclization
Yokoyama, H., Kubo, T., Matsumura, Y., Hosokawa, J., Miyazawa, M. & Hirai, Y., 2014/12/09, In: Tetrahedron. 70, 50, p. 9530-9535 6 p.Research output: Contribution to journal › Article › peer-review
7 Scopus citations -
2010
A new synthetic strategy for 2-deoxy-D-ribose via palladium(II)-catalyzed cyclization of aldehyde
Miyazawa, M., Awasaguchi, K. I., Uoya, I., Yokoyama, H. & Hirai, Y., 2010, In: Heterocycles. 81, 8, p. 1891-1902 12 p.Research output: Contribution to journal › Article › peer-review
Open Access5 Scopus citations -
A novel pentose synthesis via palladium(II)-catalyzed cyclization of an unstable hemiacetal
Awasaguchi, K. I., Miyazawa, M., Uoya, I., Inoue, K., Nakamura, K., Yokoyama, H. & Hirai, Y., 2010, In: Heterocycles. 81, 9, p. 2105-2121 17 p.Research output: Contribution to journal › Article › peer-review
4 Scopus citations -
Synthesis of spiro C-arylglycoriboside via Pd(II)-catalyzed spirocyclization
Awasaguchi, K. I., Miyazawa, M., Uoya, I., Inoue, K., Nakamura, K., Yokoyama, H., Kakuda, H. & Hirai, Y., 2010, In: Synlett. 16, p. 2392-2396 5 p.Research output: Contribution to journal › Article › peer-review
10 Scopus citations -
Total synthesis of (+)-dienomycin C
Yokoyama, H., Hayashi, Y., Nagasawa, Y., Ejiri, H., Miyazawa, M. & Hirai, Y., 2010/10/23, In: Tetrahedron. 66, 43, p. 8458-8463 6 p.Research output: Contribution to journal › Article › peer-review
17 Scopus citations -
2009
Pd(II)-catalyzed cyclization to ether and its application to the synthesis of the trans-fused polyether core
Yokoyama, H., Nakayama, S., Murase, M., Miyazawa, M., Yamaguchi, S. & Hirai, Y., 2009/01/01, In: Heterocycles. 77, 1, p. 211-215 5 p.Research output: Contribution to journal › Article › peer-review
Open Access10 Scopus citations -
2008
Palladium(II)-catalyzed cyclization via N-alkylation of an allyl alcohol with an urethane and its application to the syntheses of natural products
Yokoyama, H. & Hirai, Y., 2008, In: Heterocycles. 75, 9, p. 2133-2153 21 p.Research output: Contribution to journal › Review article › peer-review
Open Access21 Scopus citations -
2007
Asymmetric synthesis of fagomine
Yokoyama, H., Ejiri, H., Miyazawa, M., Yamaguchi, S. & Hirai, Y., 2007/04/30, In: Tetrahedron Asymmetry. 18, 7, p. 852-856 5 p.Research output: Contribution to journal › Article › peer-review
55 Scopus citations -
Palladium(II)-catalyzed cyclization of urethanes and its application to a total synthesis of 1-deoxynojirimycin
Yokoyama, H., Kobayashi, H., Miyazawa, M., Yamaguchi, S. & Hirai, Y., 2007/12/31, In: Heterocycles. 74, C, p. 283-292 10 p.Research output: Contribution to journal › Article › peer-review
13 Scopus citations -
2006
Ring expansion of isopropenyldihydrofuran derivatives
Yamaguchi, S., Tsuchida, N., Umeda, K., Yokoyama, H., Miyazawa, M. & Hirai, Y., 2006/05, In: Journal of Heterocyclic Chemistry. 43, 3, p. 657-662 6 p.Research output: Contribution to journal › Article › peer-review
4 Scopus citations -
Synthetic studies towards cembranoids via the Heck reaction
Yokoyama, H., Satoh, T., Furuhata, T., Miyazawa, M. & Hirai, Y., 2006/10/04, In: Synlett. 16, p. 2649-2651 3 p.Research output: Contribution to journal › Article › peer-review
6 Scopus citations -
2004
Palladium(II)-catalyzed stereocontrolled cyclization via hemiacetal intermediates: Total synthesis of 5-epi-prelactone C
Miyazawa, M., Narantsetseg, M., Yokoyama, H., Yamaguchi, S. & Hirai, Y., 2004/05/01, In: Heterocycles. 63, 5, p. 1017-1021 5 p.Research output: Contribution to journal › Article › peer-review
Open Access14 Scopus citations -
Stereoselective cyclization using palladium(II) catalyst via hemiacetal intermediates
Miyazawa, M., Hirose, Y., Narantsetseg, M., Yokoyama, H., Yamaguchi, S. & Hirai, Y., 2004/03/29, In: Tetrahedron Letters. 45, 14, p. 2883-2886 4 p.Research output: Contribution to journal › Article › peer-review
34 Scopus citations -
2002
Furopyridines. XXXI [1]. Birch reduction of furopyridines
Yamaguchi, S., Hamade, E., Yokoyama, H., Hirai, Y. & Shiotani, S., 2002, In: Journal of Heterocyclic Chemistry. 39, 2, p. 335-339 5 p.Research output: Contribution to journal › Article › peer-review
5 Scopus citations -
2001
One-step preparation of some 2-isopropenyl-2,3-dihydronaphtho-[2,3-b]furan-4,9-diones
Yamaguchi, S., Katsuki, T., Yokoyama, H. & Hirai, Y., 2001, In: Journal of Heterocyclic Chemistry. 38, 2, p. 511-514 4 p.Research output: Contribution to journal › Article › peer-review
2 Scopus citations -
Regioselective cyclization of m-acylaryl 1,1-dimethylpropargyl ethers giving 5-acyl-2,2-dimethyl-2H-chromenes
Yamaguchi, S., Ishibashi, M., Akasaka, K., Yokoyama, H., Miyazawa, M. & Hirai, Y., 2001/02/05, In: Tetrahedron Letters. 42, 6, p. 1091-1093 3 p.Research output: Contribution to journal › Article › peer-review
15 Scopus citations -
2000
A new preparation of 2,5-dihydro-1-benzoxepins using Mitsunobu cyclization, and the synthesis of natural radulanins
Yamaguchi, S., Furihata, K., Miyazawa, M., Yokoyama, H. & Hirai, Y., 2000/06/10, In: Tetrahedron Letters. 41, 24, p. 4787-4790 4 p.Research output: Contribution to journal › Article › peer-review
33 Scopus citations -
1999
Furopyridines. XXIX [1]. Reactions of furo[2,3-b:4,5-c']-, -[3,2-b:4,5- c']-, -[2,3-c:4,5-c']- and -[3,2-c:3,2-c']dipyridine
Yamaguchi, S., Orito, K., Shimizu, N., Taniguchi, K., Saitoh, H., Kurosaki, M., Yokoyama, H., Hirai, Y. & Shiotani, S., 1999, In: Journal of Heterocyclic Chemistry. 36, 1, p. 81-94 14 p.Research output: Contribution to journal › Article › peer-review
1 Scopus citations -
Furopyridines. XXVI [1]. Reactions of cyanopyridine derivatives of furo[2,3-b]-, -[3,2-b]-, -[2,3-c]- and -[3,2-c]pyridine
Yamaguchi, S., Saitoh, H., Kurosaki, M., Yokoyama, H., Hirai, Y. & Shiotani, S., 1999, In: Journal of Heterocyclic Chemistry. 36, 1, p. 1-9 9 p.Research output: Contribution to journal › Article › peer-review
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Furopyridines. XXX [1]. Synthesis and reaction of difuro[3,2-c:- 3',2'- e]pyridine, a new tricyclic heterocycle
Shiotani, S., Yamaguchi, S., Kurosaki, M., Yokoyama, H. & Hirai, Y., 1999, In: Journal of Heterocyclic Chemistry. 36, 2, p. 403-412 10 p.Research output: Contribution to journal › Article › peer-review
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Regioselective demethylation of 2,6-dimethoxybenzaldehydes with magnesium iodide etherate
Yamaguchi, S., Nedachi, M., Yokoyama, H. & Hirai, Y., 1999/10/08, In: Tetrahedron Letters. 40, 41, p. 7363-7365 3 p.Research output: Contribution to journal › Article › peer-review
37 Scopus citations -
1998
Asymmetric synthesis of chiral 2-fluorinated 1,3-propanediols and its application to the preparation of monofluorinated chiral synthon
Yokoyama, H., Hyodo, R., Nakada, A., Yamaguchi, S., Hirai, Y., Kometani, T., Goto, M., Shibata, N. & Takeuchi, Y., 1998/10/15, In: Tetrahedron Letters. 39, 42, p. 7741-7744 4 p.Research output: Contribution to journal › Article › peer-review
12 Scopus citations -
Furopyridines. XXV. Synthesis of 5-substituted furo [2,3-b]pyridines
Yamaguchi, S., Kurosaki, M., Yokoyama, H., Hirai, Y. & Shiotani, S., 1998, In: Journal of Heterocyclic Chemistry. 35, 6, p. 1305-1307 3 p.Research output: Contribution to journal › Article › peer-review
3 Scopus citations -
Furopyridines. XXVIII. Reactions of 3-bromo derivatives of furo[2,3-b]- , -[3,2-b]-, -[2,3-c]- and -[3,2-c]pyridine and their N-oxides
Yamaguchi, S., Awajima, K., Hirai, Y., Yokoyama, H. & Shiotani, S., 1998, In: Journal of Heterocyclic Chemistry. 35, 6, p. 1249-1255 7 p.Research output: Contribution to journal › Article › peer-review
9 Scopus citations -
Total synthesis of SS20846A via intramolecular Pd(II)-catalyzed cyclization
Yokoyama, H., Otaya, K., Yamaguchi, S. & Hirai, Y., 1998/08/13, In: Tetrahedron Letters. 39, 33, p. 5971-5974 4 p.Research output: Contribution to journal › Article › peer-review
33 Scopus citations -
1997
Isopropenyldihydrofuran Derivatives. Preparation and Reactions of Some Isopropenyldihydrofurandicarboxylates
Yamaguchi, S., Sugioka, Y., Ishida, M., Yokoyama, H. & Hirai, Y., 1997, In: Journal of Heterocyclic Chemistry. 34, 4, p. 1329-1334 6 p.Research output: Contribution to journal › Article › peer-review
5 Scopus citations -
Synthesis of vitamin D3 triene system by using Pd-catalyzed cyclization of dienol triflate
Yokoyama, H. & Takahashi, T., 1997/01/27, In: Tetrahedron Letters. 38, 4, p. 595-598 4 p.Research output: Contribution to journal › Article › peer-review
8 Scopus citations