Zobrazeno 1 - 10
of 462
pro vyhledávání: '"Hiromitsu Takayama"'
Autor:
Daichi Ito, Dan Ge, Noriyuki Kogure, Hitomi Manaka, Yusuke Terui, Hiromitsu Takayama, Robert J. Linhardt, Toshihiko Toida, Kyohei Higashi
Publikováno v:
Heliyon, Vol 6, Iss 10, Pp e05168- (2020)
Physical mixtures of cationic polymers and heparin have been developed to overcome the limitations of unfractionated heparin. In this study, we found that heparin associates with natural polyamines in water, resulting in the generation of a poly-ion
Externí odkaz:
https://doaj.org/article/812c12e1abe74ff3970ea6d46b5bbe0b
Autor:
Euis Holisotan Hakim, Valentina Adimurti, Lukman Makmur, Sjamsul Arifin Achmad, Didin Mujahidin, Yana Maolana Syah, Norio Aimi, Mariko Kitajima, Hiromitsu Takayama
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 33, Iss 3 (2019)
Suatu stilben terprenilasi, trans-4-(3-metil-E-but-l-enil)-3,5,2',4'-tetrahidroksistilben telah ditemukan untuk pertama kalinya dari ekstrak kloroform kayu akar tumbuhan Artocarpus altilis (Moraceae), yang dikenal dengan nama Sukun. Struktur molekul
Externí odkaz:
https://doaj.org/article/6f1db47dbd7c4237893c1957a2ecf4ad
Autor:
Euis Holisotan Hakim, Asnizar Asnizar, Fera Kurniadewi, Tedi Abdul Ghofar, Sjamsul Arifin Achmad, Lukman Makmur, Didin Mujahidin, Norio Aimi, Mariko Kitajima, Hiromitsu Takayama, Rusjdi Tamin
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 31, Iss 2 (2019)
Sari. Dua senyawa turunan piranoflavon dan furanodihidrobenzosanton, masing-masing artelastin (1) dan sikloartobiloksanton (2), telah ditemukan masing-masing pada kayu dan kulit batang tumbuhan Artocarpus lanceifolius Roxb. (Moraceae), suatu tumbuhan
Externí odkaz:
https://doaj.org/article/939e2316b2134220806cc6d8ed305aa5
Autor:
Lukman Makmur, Syamsurizal Syamsurizal, Tukiran Tukiran, Yoharmus Syamsu, Sjamsul Arifin Achmad, Euis Holisotan Hakim, Didin Mujahidin, Norio Aimi, Mariko Kitajima, Hiromitsu Takayama
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 31, Iss 2 (2019)
Dua senyawa masing-masing turunan santon lakton, yaitu artonol B (1) dan turunan furanodihidrobenzosanton, yakni Sikloartobilosanton (2), telah ditemukan pada tumbuhan Artocarpus teysmanii Miq. (Moraceae), suatu tumbuhan langka yang endemik untuk Ind
Externí odkaz:
https://doaj.org/article/eca45c688987400f9c4bcb41855992ca
Artoindonesianin D: a New Bioactive Pyranoflavone Derivative and Chaplashin from Artocarpus Maingayi
Autor:
Euis Holisotan Hakim, Affrida Affrida, Eliza Eliza, Sjamsul Arifin Achmad, Lukman Makmur, Didin Mujahidin, Yana Maolana Syah, Norio Aimi, Mariko Kitajima, Hiromitsu Takayama
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 32, Iss 1 (2019)
Sari. Suatu senyawa baru flavonoid terisoprenilasi turunan piranoflavon, yakni 5-hidroksisiklomorusin yang diberi nama artoindonesianin D (1), dan suatu senyawa turunan oksepinoflavon, yakni chaplasin (2), telah ditemukan untuk pertama kalinya, masin
Externí odkaz:
https://doaj.org/article/ed1ccc6a07ad4a53a6e82ae3750e63bc
Autor:
Didin Mujahidin, Sjamsul Arifin Achmad, Yana Maolana Syah, Euis Holisotan Hakim, Lukman Makmur, Norio Aimi, Mariko Kitajima, Hiromitsu Takayama, Rusjdi Tamin
Publikováno v:
Journal of Mathematical and Fundamental Sciences, Vol 32, Iss 2 (2019)
Abstrak. Dua senyawa, yaitu artelactokromen (1), suatu diprenil piranoflavon, dan B-resorsilaldehid (2) telah ditemukan untuk pertama kalinya pada kayu batang tumbuhan Artocarpus lanceifolius Roxb. (Moraceae), suatu tumbuhan langka yang endemic untuk
Externí odkaz:
https://doaj.org/article/e1105bfb95f1478fabb1efe41c52edd6
Autor:
Takayuki Tohge, Regina Wendenburg, Hirofumi Ishihara, Ryo Nakabayashi, Mutsumi Watanabe, Ronan Sulpice, Rainer Hoefgen, Hiromitsu Takayama, Kazuki Saito, Mark Stitt, Alisdair R. Fernie
Publikováno v:
Nature Communications, Vol 7, Iss 1, Pp 1-11 (2016)
Protection from UV-B is critical for land plant survival. Here Tohge et al. show that saiginols, a novel class of flavonols that efficiently absorb UV-B, accumulate in Arabidopsisaccessions collected from high irradiance regions and identify a flavon
Externí odkaz:
https://doaj.org/article/94e19b2d265149559878ac4289fad28e
Autor:
Pathama Leewanich, Michihisa Tohda, Hiromitsu Takayama, Samaisukh Sophasan, Hiroshi Watanabe, Kinzo Matsumoto
Publikováno v:
Journal of Pharmacological Sciences, Vol 98, Iss 1, Pp 58-65 (2005)
Previous studies demonstrated that corymine, an indole alkaloid isolated from the leaves of Hunter zeylanica, dose-dependently inhibited strychnine-sensitive glycine-induced currents. However, it is unclear whether this alkaloid can modulate the func
Externí odkaz:
https://doaj.org/article/f1e95ec7fb9d40ec88241f4ea0f7134b
Autor:
Shinya Shiomi, Kaewsri Wilailak, Wataru Soutome, Hiromitsu Takayama, Mariko Kitajima, Hayato Ishikawa
Publikováno v:
The Journal of Organic Chemistry. 87:3730-3735
A first asymmetric total synthesis of huperzine H has been achieved in a 12% overall yield from commercially available (+)-pulegone. The key steps of this synthesis include a highly diastereoselective Mukaiyama-Michael addition reaction of a pyrrole
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2841e386671dcf178efd2af74694dd81
https://doi.org/10.1021/acs.joc.1c02672
https://doi.org/10.1021/acs.joc.1c02672
Autor:
Hiromitsu Takayama
Publikováno v:
Journal of Synthetic Organic Chemistry, Japan. 79:596-599
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::5a9e2f11fafa1561cf0f3768d34986c5
https://doi.org/10.5059/yukigoseikyokaishi.79.596
https://doi.org/10.5059/yukigoseikyokaishi.79.596