• 462 Citations
  • 13 h-Index
20032020

Research output per year

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Research Output

  • 462 Citations
  • 13 h-Index
  • 51 Article
  • 5 Review article
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Article
2020

Stepwise structural and fluorescent colour conversion in rhodamine analogues based on light and acid stimulations

Tanioka, M., Kamino, S., Koga, N. & Sawada, D., 2020, In : Journal of Materials Chemistry C. 8, 2, p. 543-549 7 p.

Research output: Contribution to journalArticle

2019

Efficient and practical synthesis of N-acetyl enamides from ketoximes by unique iron catalytic system

Kunishige, T. & Sawada, D., Jun 13 2019, In : Tetrahedron Letters. 60, 24, p. 1562-1565 4 p.

Research output: Contribution to journalArticle

Syntheses and acid-stimulus responsiveness of aminobenzopyranoxanthene spiroethers

Hosoda, R., Kamino, S., Ueda, M. & Sawada, D., 2019, In : Heterocycles. 99, 2, p. 820-824 5 p.

Research output: Contribution to journalArticle

Synthesis of a tetracyclic aminobenzimidazole derivative via tandem cyclization of triphenylguanidine

Akamatsu, Y., Kamino, S. & Sawada, D., 2019, In : Heterocycles. 99, 2, p. 815-819 5 p.

Research output: Contribution to journalArticle

2018

Effects of 2-substitution on 14-: Epi -19-nortachysterol-mediated biological events: Based on synthesis and X-ray co-crystallographic analysis with the human vitamin D receptor

Sawada, D., Kakuda, S., Takeuchi, A., Kawagoe, F., Takimoto-Kamimura, M. & Kittaka, A., 2018, In : Organic and Biomolecular Chemistry. 16, 14, p. 2448-2455 8 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Stable Thiele's Hydrocarbon Derivatives Exhibiting Near-Infrared Absorption/Emission and Two-Step Electrochromism

Okamoto, Y., Tanioka, M., Muranaka, A., Miyamoto, K., Aoyama, T., Ouyang, X., Kamino, S., Sawada, D. & Uchiyama, M., Dec 26 2018, In : Journal of the American Chemical Society. 140, 51, p. 17857-17861 5 p.

Research output: Contribution to journalArticle

5 Citations (Scopus)
2017

Direct C-H substitution reaction of anilides using hypervalent iodine and their regioselective issues

Yamamoto, K., Kamino, S. & Sawada, D., 2017, In : Tetrahedron Letters. 58, 41, p. 3936-3938 3 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Novel screening system for high-affinity ligand of heredity vitamin D-resistant rickets-associated vitamin D receptor mutant R274L using bioluminescent sensor

Mano, H., Nishikawa, M., Yasuda, K., Ikushiro, S., Saito, N., Sawada, D., Honzawa, S., Takano, M., Kittaka, A. & Sakaki, T., Mar 1 2017, In : Journal of Steroid Biochemistry and Molecular Biology. 167, p. 61-66 6 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Syntheses and photophysical properties of aminobenzopyranoxanthene dyes containing various alkyl chains at amine moieties

Kamino, S., Tanioka, M., Sawada, D. & Enomoto, S., 2017, In : Heterocycles. 95, 2, p. 1167-1176 10 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Synthesis of 2α- and 2β-(3-hydroxypropyl)- 7,8-cis-14-epi-1α,25-dihydroxy-19-norvitamin D3 and their biological activity

Sawada, D., Ochiai, E., Takeuchi, A., Kakuda, S., Kamimura-Takimoto, M., Kawagoe, F. & Kittaka, A., Oct 2017, In : Journal of Steroid Biochemistry and Molecular Biology. 173, p. 79-82 4 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

Synthesis of Aminobenzopyranoxanthenes with Nitrogen-Containing Fused Rings

Fukino, N., Kamino, S., Takahashi, M. & Sawada, D., Dec 15 2017, In : Journal of Organic Chemistry. 82, 24, p. 13626-13631 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)

Water-tunable solvatochromic and nanoaggregate fluorescence: dual colour visualisation and quantification of trace water in tetrahydrofuran

Tanioka, M., Kamino, S., Muranaka, A., Shirasaki, Y., Ooyama, Y., Ueda, M., Uchiyama, M., Enomoto, S. & Sawada, D., 2017, In : Physical Chemistry Chemical Physics. 19, 2, p. 1209-1216 8 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)
2016

Fused-Fluoran Leuco Dyes with Large Color-Change Derived from Two-Step Equilibrium: Iso-Aminobenzopyranoxanthenes

Shirasaki, Y., Okamoto, Y., Muranaka, A., Kamino, S., Sawada, D., Hashizume, D. & Uchiyama, M., Dec 2 2016, In : Journal of Organic Chemistry. 81, 23, p. 12046-12051 6 p.

Research output: Contribution to journalArticle

14 Citations (Scopus)

Revisiting the 7,8-cis-Vitamin D3 derivatives: Synthesis, evaluating the biological activity, and study of the binding configuration

Sawada, D., Kakuda, S., Kamimura-Takimoto, M., Takeuchi, A., Matsumoto, Y. & Kittaka, A., Jun 2 2016, In : Tetrahedron. 72, 22, p. 2838-2848 11 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)
2015

Reversible Near-Infrared/Blue Mechanofluorochromism of Aminobenzopyranoxanthene

Tanioka, M., Kamino, S., Muranaka, A., Ooyama, Y., Ota, H., Shirasaki, Y., Horigome, J., Ueda, M., Uchiyama, M., Sawada, D. & Enomoto, S., May 27 2015, In : Journal of the American Chemical Society. 137, 20, p. 6436-6439 4 p.

Research output: Contribution to journalArticle

101 Citations (Scopus)

Synthesis and preliminary biological evaluation of 2-[3-(tetrazolyl)propyl]-1α,25-dihydroxy-19-norvitamin D3

Takano, M., Higuchi, E., Higashi, K., Hirano, K., Takeuchi, A., Sawada, D. & Kittaka, A., 2015, In : Heterocycles. 90, 2, p. 1274-1287 14 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)
2014

Synthesis and biological activity of 1a,2a,25-Trihydroxyvitamin D3: Active metabolite of 2a-(3-Hydroxypropoxy)-1a,25-dihydroxyvitamin D3 by human CYP3A4

Takano, M., Ohya, S., Yasuda, K., Nishikawa, M., Takeuchi, A., Sawada, D., Sakaki, T. & Kittaka, A., Feb 1 2014, In : Chemical and Pharmaceutical Bulletin. 62, 2, p. 182-184 3 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

Synthesis and properties of 14-epi-1α,25-dihydroxy-19-nortachysterol and its 2-substituted derivatives

Sawada, D. & Kittaka, A., Jan 1 2014, In : Current Topics in Medicinal Chemistry. 14, 21, p. 2454-2459 6 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2013

14-エピ-タキステロール類の合成とVDR結合様式の解明

Sawada, D., 2013, In : ビタミン.

Research output: Contribution to journalArticle

Synthesis of 2α-heteroarylalkyl active vitamin D3 with therapeutic effect on enhancing bone mineral density in vivo

Matsuo, M., Hasegawa, A., Takano, M., Saito, H., Kakuda, S., Chida, T., Takagi, K. I., Ochiai, E., Horie, K., Harada, Y., Takimoto-Kamimura, M., Takenouchi, K., Sawada, D. & Kittaka, A., Jul 11 2013, In : ACS Medicinal Chemistry Letters. 4, 7, p. 671-674 4 p.

Research output: Contribution to journalArticle

25 Citations (Scopus)

C15-functionalized 16-Ene-1α,25-dihydroxyvitamin D 3 is a new vitamin D analog with unique biological properties

Kumagai, G., Takano, M., Shindo, K., Sawada, D., Saito, N., Saito, H., Kakuda, S., Takagi, K. I., Takimoto-Kamimura, M., Takenouchi, K., Chen, T. C. & Kittaka, A., Jan 1 2012, In : Anticancer research. 32, 1 PART 2, p. 311-317 7 p.

Research output: Contribution to journalArticle

3 Citations (Scopus)

Synthesis and biological activities of 1α,4α,25- and 1α,4β,25-trihydroxyvitamin D3 and their metabolism by human CYP24A1 and UDP-glucuronosyltransferase

Sawada, D., Tsukuda, Y., Yasuda, K., Sakaki, T., Saito, H., Takagi, K. I., Takenouchi, K., Chen, T. C., Reddy, G. S. & Kittaka, A., Oct 1 2012, In : Chemical and Pharmaceutical Bulletin. 60, 10, p. 1343-1346 4 p.

Research output: Contribution to journalArticle

8 Citations (Scopus)

The difference between 14-epi-previtamin D 3 and 14-epi-19-norprevitamin D 3: Their synthesis and binding affinity for human VDR

Sawada, D., Katayama, T., Tsukuda, Y., Saito, N., Saito, H., Kakuda, S., Takimoto-Kamimura, M., Takenouchi, K. & Kittaka, A., Jan 1 2012, In : Anticancer research. 32, 1 PART 2, p. 319-326 8 p.

Research output: Contribution to journalArticle

1 Citation (Scopus)

A Multivalent Probe for AI-2 Quorum-Sensing Receptors

Sawada, D., 2011, In : J. Am. Chem. Soc..

Research output: Contribution to journalArticle

17 Citations (Scopus)

Development of 14-epi-19-nortachysterol and its unprecedented binding configuration for the human vitamin D receptor

Sawada, D., Tsukuda, Y., Saito, H., Kakuda, S., Takimoto-Kamimura, M., Ochiai, E., Takenouchi, K. & Kittaka, A., May 11 2011, In : Journal of the American Chemical Society. 133, 18, p. 7215-7221 7 p.

Research output: Contribution to journalArticle

19 Citations (Scopus)

New C15-substituted active vitamin D3

Shindo, K., Kumagai, G., Takano, M., Sawada, D., Saito, N., Saito, H., Kakuda, S., Takagi, K. I., Ochiai, E., Horie, K., Takimoto-Kamimura, M., Ishizuka, S., Takenouchi, K. & Kittaka, A., Jun 3 2011, In : Organic Letters. 13, 11, p. 2852-2855 4 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
2010

Synthesis of 2α-and 2β-substituted-14-epi-previtamin D 3 and their genomic activity

Sawada, D., Katayama, T., Tsukuda, Y., Saito, N., Saito, H., Takagi, K. I., Ochiai, E., Ishizuka, S., Takenouchi, K. & Kittaka, A., Jul 17 2010, In : Tetrahedron. 66, 29, p. 5407-5423 17 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Synthesis of 2β-substituted-14-epi-previtamin D3 and testing of its genomic activity

Sawada, D., Tsukuda, Y., Saito, H., Takagi, K. I., Ochiai, E., Ishizuka, S., Takenouchi, K. & Kittaka, A., Jul 1 2010, In : Journal of Steroid Biochemistry and Molecular Biology. 121, 1-2, p. 20-24 5 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)
2009

Synthesis and biological activities of 14-epi-MART-10 and 14-epi-MART-11: Implications for cancer and osteoporosis treatment

Kittaka, A., Hara, H., Takano, M., Sawada, D., Arai, M. A., Takagi, K., Chida, T., Harada, Y., Saito, H., Takenouchi, K., Ishizuka, S., Hayashi, K., Ikushiro, S., Sakaki, T., Sugiura, T. & Chen, T. C., Sep 1 2009, In : Anticancer research. 29, 9, p. 3563-3569 7 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)

Synthesis and biological evaluation of 4-substituted vitamin D and 14-epi-previtamin D analogs

Sawada, D., Tsukuda, Y., Saito, H., Takagi, K. I., Horie, K., Ochiai, E., Takenouchi, K. & Kittaka, A., Dec 1 2009, In : Chemical and Pharmaceutical Bulletin. 57, 12, p. 1431-1433 3 p.

Research output: Contribution to journalArticle

7 Citations (Scopus)

Synthesis of 2α-substituted-14-epi-previtamin D3 and its genomic activity

Sawada, D., Katayama, T., Tsukuda, Y., Saito, N., Takano, M., Saito, H., Takagi, K. I., Ochiai, E., Ishizuka, S., Takenouchi, K. & Kittaka, A., Sep 15 2009, In : Bioorganic and Medicinal Chemistry Letters. 19, 18, p. 5397-5400 4 p.

Research output: Contribution to journalArticle

13 Citations (Scopus)
2008

Novel synthesis of oligosaccharides linked with carbamate and urea bonds utilizing modified Curtius rearrangement

Sawada, D., Sasayama, S., Takahashi, H. & Ikegami, S., Sep 8 2008, In : Tetrahedron. 64, 37, p. 8780-8788 9 p.

Research output: Contribution to journalArticle

16 Citations (Scopus)
2007

Novel synthesis of carbamate-linked oligosaccharides by a modified curtius rearrangement

Sawada, D., Sasayama, S., Takahashi, H. & Ikegami, S., Jun 22 2007, In : European Journal of Organic Chemistry. 7, p. 1064-1068 5 p.

Research output: Contribution to journalArticle

4 Citations (Scopus)
2006

A new and facile synthesis of carbamate- and urea-linked glycoconjugate using modified Curtius rearrangement

Sawada, D., Sasayama, S., Takahashi, H. & Ikegami, S., Oct 2 2006, In : Tetrahedron Letters. 47, 40, p. 7219-7223 5 p.

Research output: Contribution to journalArticle

29 Citations (Scopus)

Divergent synthesis of L-sugars and L-iminosugars from D-sugars

Takahashi, H., Shida, T., Hitomi, Y., Iwai, Y., Miyama, N., Nishiyama, K., Sawada, D. & Ikegami, S., Jul 24 2006, In : Chemistry - A European Journal. 12, 22, p. 5868-5877 10 p.

Research output: Contribution to journalArticle

15 Citations (Scopus)
2005

Short-step synthesis of 5-thio-l-hexopyranoses from d-glyconothio-O-lactones

Sawada, D., Sasayama, S., Takahashi, H. & Ikegami, S., Dec 31 2005, In : Heterocycles. 66, 1, p. 441-451 11 p.

Research output: Contribution to journalArticle

2 Citations (Scopus)

Synthesis of N-protected azaoligosaccharides and their cyclic derivatives

Sawada, D., Takahashi, H., Shiro, M. & Ikegami, S., Apr 4 2005, In : Tetrahedron Letters. 46, 14, p. 2399-2403 5 p.

Research output: Contribution to journalArticle

9 Citations (Scopus)