Recent articles



Ohta, S., Takeda, M., Ohta, E., Nehira, T., Omura, H., Uy, M.M., Ishihara, Y. (2021) Janohigenins: Long-chain anacardic acid derivatives with neuroprotective activity from Ophiopogon japonicus seeds. Phytochemistry, 191, 112904. doi.org/10.1016/j.phytochem.2021.112904.

Elshamy, A. I., Mohamed, T. A., Elkady, E. M., Saleh, I. A., El-Beih, A. A., Alhammady, M. A., Ohta, S., Umeyama, A., Pare, P. W., Hegazy, M. F. (2021) Paralemnolins X and Y, New Antimicrobial Sesquiterpenoids from the Soft Coral Paralemnalia thyrsoide. Antibiotics, 19, 1158 (8 pages). doi.org/10.3390/antibiotics10101158.

Mohamed, T. A., Elshamy, A. I., Abdel-Tawab, A. M., AbdelMohsen, M. M., Ohta, S., Pare, P. W., Hegazy, M. F. (2021) Oxygenated cembrene diterpenes from Sarcophyton convolutum: cytotoxic sarcoconvolutum A-E. Marine Drugs, 19, 519 (10 pages). doi.org/10.3390/md19090519.

Ohta, S., Oshimo, S., Ohta, E., Nehira, T., Omura, H., Uy, M.M., Ishihara, Y. (2020) Asaroidoxazines from the roots of Asarum asaroides induce apoptosis in human neuroblastoma cells. J. Nat. Prod., 83, 3050-3057. doi.org/10.1021/acs.jnatprod.0c00574. [Cover picture of the article]

Mohamed, T. A., Elshamy, A. I., Ibrahim, M.A.A., Zellagui, A., Moustafa, M. F., Abdelrahman, A. H. M., Ohta, S., Pare, P. W., Hegazy, M. F. (2020) Carotane sesquiterpenes from Ferula vesceritensis: in silico analysis as SARS-CoV-2 binding inhibitors. RSC Advances, 10, 34541-34545.

Uyama, Y., Ohta, E., Harauchi, Y., Nehira, T., Omura, H., Kawachi, H., Imamura-Jinda, A., Uy, M.M., Ohta, S. (2020) Rare sulfated purine alkaloid glycosides from Bruchidius dorsalis pupal case. Phytochemistry Lett., 35, 10-14. doi.org/10.1016/j.phytol.2019.10.008.

Ohta, S., Yuasa, Y., Aoki, N., Ohta, E., Nehira, T., Omura, H., Uy, M.M. (2019) Norbisabolane and bisabolane sesquiterpenoids from the seeds of Angelica keiskei. Phytochemistry Lett., 33, 94-101. doi.org/10.1016/j.phytol.2019.08.006.

Hegazy, M. F., Mohamed, T. A., Elshamy, A. I., Hamed, A. R., Ibrahim, M.A.A., Hussien, T., Ohta, S., Umeyama, A., Pare, P. W., Effort, T. (2019) Sarcoehrenbergilid D-F: cytotoxic cembrene diterpenoids from the soft coral Sarcophyton ehrenbergi. RSC Advances, 9, 27183-27189.

Akihara, Y., Kamikawa, S., Harauchi, Y., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2018) Hydroxylated furanoditerpenoids from pupal cases produced by the bruchid beetle Sulcobruchus sauteri inside the seeds of Caesalpinia decapetala. Phytochemistry, 156, 151-158. doi.org/10.1016/j.phytochem.2018.09.007.

Harauchi, Y., Muranaka, K., Ohta, E., Kawachi, H., Imamura-Jinda, A., Nehira, T., Omura, H., Ohta, S. (2018) Sulfated Purine Alkaloid Glycosides from the Pupal Case Built by the Bruchid Beetle Bruchidius dorsalis Inside the Seed of Gleditsia japonica. Chem. Biodiversity, 15, e1800154 (7 pages). doi.org/10.1002/cbdv.201800154. [Front Cover of the article]

Latayada, F. S., Uy, M. M., Akihara, Y., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2017) Ficusnotins A-F: Rare diarylbutanoids from the leaves of Ficus nota. Phytochemistry, 141, 98-104.

Hegazy, M. F., Elshamy, A. I., Mohamed, T. A., Hamed, A. R., Ibrahim, M. A. A., Ohta, S., Pare, P. W. (2017) Cembrene diterpenoids with ether linkages from Sarcophyton ehrenbergi: An anti-proliferation and molecular-docking assessment. Marine Drugs, 15, 192 (14 pages).

Harauchi, Y., Kajimoto, T., Ohta, E., Kawachi, H., Imamura-Jinda, A., Ohta, S. (2017) Prenylated purine alkaloids from seeds of Gleditsia japonica. Phytochemistry, 143, 145-150.

Akihara, Y., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2017) New prenylated ortho-dihydroxycoumarins from the fruits of Ficus nipponica. Chem. Biodiversity, 14, e1700196 (6 pages).

Latayada, F. S., Uy, M. M., Akihara, Y., Ohta, E., Ohta, S. (2017) Two new C11-terpenes with an octahydrobenzofuran skeleton isolated from the leaves of Ficus nota. Phytochemistry Lett., 19, 237-240.

Kamikawa, S., Oshimo, S., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2016) Cassane diterpenoids from the roots of Caesalpinia decapetala var. japonica and structure revision of caesaljapin. Phytochemistry, 121, 50-57.

Kamikawa, S., Ohta, E., Nehira, T., Omura, H., Ohta, S. (2016) Structure revision of caesalpinista A and caesalpinista B and isolation of a new furanoditerpenoid from the cotyledons of Caesalpinia decapetala var. japonica. Helv. Chim. Acta, 99, 133-137.

Hegazy, M. F., Mohamed, T. A., Elshamy, A. I., Alhammady, M. A., Ohta, S., Pare, P. W. (2016) Casbane diterpenes from Red Sea coral Sinularia polydactyla. Molecules, 21, 308-315.

Elkhateeb, A., El-Beih, A. A., Eldeen, A. M. G., Alhammady, M. A., Ohta, S., Pare, P. W., Hegazy, M. F. (2014) New terpenes from the Egyptian soft coral Sarcophyton ehrenbergi. Marine Drugs, 12, 1977-1986.

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