Zobrazeno 1 - 10
of 57
pro vyhledávání: '"Takahiro Hiramatsu"'
Autor:
Takahiro Hiramatsu, Takahiro Suzuki, Kazutada Ikeuchi, Yuki Yukutake, Keiji Tanino, Ryusei Itoh
Publikováno v:
Synlett. 33:296-300
Synthetic studies on an ABC-ring model of tubiferal A, a triterpenoid isolated from the fruit bodies of the Tubifera dimorphotheca myxomycete, are described. The stereogenic centers at the angular positions were constructed through the stereoselectiv
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3d303ae85dc26928f832dbcac384a953
https://doi.org/10.1055/a-1697-7477
https://doi.org/10.1055/a-1697-7477
Autor:
Daichi Koiwa, Masayuki Ohira, Takahiro Hiramatsu, Hidenori Abe, Tetsuji Kawamoto, Yuji Ishihara, Bernardo Ignacio, Noel Mansour, Todd Romoff
Publikováno v:
Organicbiomolecular chemistry. 20(42)
A continuous-flow quaternization reaction of gramines with MeI (lt;1 min) followed by a substitution reaction with a chiral nucleophilic glycine-derived Ni-complex (iS/i)-2 (lt;1 min) has successfully been developed to afford the corresponding alkyla
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1fde49b033fd82ae7e7356617ecc5ff1
https://pubmed.ncbi.nlm.nih.gov/36250233
https://pubmed.ncbi.nlm.nih.gov/36250233
Autor:
Jianlin Han, Haibo Mei, Hidenori Abe, Takahiro Hiramatsu, Hiroki Moriwaki, Ryosuke Takeda, Vadim A. Soloshonok
Publikováno v:
Organic Process Research & Development. 23:629-634
Here we disclose a practical asymmetric synthesis of an enantiomerically 97.8% ee pure N-Fmoc derivative of (S)-2-amino-4,4,4-trifluorobutanoic acid performed on >10 g scale of the target product. The method is based on alkylation (CF3–CH2–I) of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2df404c03763be9f810613dc4f3e9ed7
https://doi.org/10.1021/acs.oprd.8b00404
https://doi.org/10.1021/acs.oprd.8b00404
Autor:
Vadim A. Soloshonok, Hiroyuki Konno, Ryosuke Takeda, Takahiro Hiramatsu, Hiroki Moriwaki, Xinyi Liu, Jianlin Han, Hidenori Abe
Publikováno v:
Molecules
Volume 24
Issue 24
Volume 24
Issue 24
Enantiomerically pure derivatives of 2-amino-4,4,4-trifluorobutanoic acid are in great demand as bioisostere of leucine moiety in the drug design. Here, we disclose a method specifically developed for large-scale (>
150 g) preparation of the t
150 g) preparation of the t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::28ffd6ddf1299f73b15b51be49308a14
Autor:
Shuichi Kodaira, Saeko Kamiyama, Tatsuro Chiba, Tetsuo No, Takahiro Hiramatsu, Takeshi Sato, Shinji Iki, Seiichi Miura
Publikováno v:
JAMSTEC Report of Research and Development. 22:13-29
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd07d471acc60314f87906a6fa3cb7e5
https://doi.org/10.5918/jamstecr.22.13
https://doi.org/10.5918/jamstecr.22.13
Autor:
Koichi Nakamura, Shin-ichi Aoki, Taishi Nakayama, Tomoki Hamano, Eiichi Oketani, Takahiro Hiramatsu
Publikováno v:
Journal of Japan Society of Civil Engineers, Ser. B2 (Coastal Engineering). 76:I_565-I_570
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2f525d5bb15d16c7bb2c5bea0b3e61a4
https://doi.org/10.2208/kaigan.76.2_i_565
https://doi.org/10.2208/kaigan.76.2_i_565
Autor:
Hiroshi Furuta, Toshiyuki Kawaharamura, Takahiro Hiramatsu, Mamoru Furuta, Tokiyoshi Matsuda, Takashi Hirao
Publikováno v:
Vacuum. 101:189-192
Insulating SiO x film was deposited with newly developed plasma source at low temperature for fabrication of flexible devices on plastic substrate. The plasma was generated with electromagnetic field by two facing electrodes including magnets inside
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b4ca71e7f82a3767d16988b20d14729d
https://doi.org/10.1016/j.vacuum.2013.08.003
https://doi.org/10.1016/j.vacuum.2013.08.003
Publikováno v:
The Journal of the Geological Society of Japan. 125:III-III
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59138a779a01e7152f4cf52503148e6c
https://doi.org/10.5575/geosoc.2017.0078
https://doi.org/10.5575/geosoc.2017.0078
Autor:
Mutsumi Kimura, Mamoru Furuta, Yudai Kamada, Takahiro Hiramatsu, Tokiyoshi Matsuda, Takashi Hirao, Shizuo Fujita, Hiroshi Furuta, Chaoyang Li
Publikováno v:
ECS Transactions. 54:121-126
The trap densities (D t) in ZnO thin-film transistors (TFTs) with SiNx / SiOx stacked gate insulators fabricated using several N2O flow rate during SiOx deposition (R N2O) are extracted. It is found that the trap states consist of deep flat states an
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2cd8d092cc282b91e289ccd422473355
https://doi.org/10.1149/05401.0121ecst
https://doi.org/10.1149/05401.0121ecst
Autor:
Yudai Kamada, Dapeng Wang, Shizuo Fujita, Chaoyang Li, Takashi Hirao, Toshiyuki Kawaharamura, Shinichi Shimakawa, Mamoru Furuta, Takahiro Hiramatsu
Publikováno v:
Applied Surface Science. 258:695-699
The structural and optical properties of ZnO thin films deposited at various oxygen partial pressure and rf-power of rf magnetron sputtering were investigated. The sputtered ZnO films are mainly formed with the oxygen which was supplied from a sputte
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b1101860a75dbe852c639e056720711b
https://doi.org/10.1016/j.apsusc.2011.07.100
https://doi.org/10.1016/j.apsusc.2011.07.100