Zobrazeno 1 - 10
of 34
pro vyhledávání: '"Sachie Arae"'
Publikováno v:
CHIMIA, Vol 72, Iss 12 (2018)
Vinylidene ortho-quinone methides (VQMs) are one-carbon elongated homologues of ortho-quinone methides (QMs), well-known as useful reaction intermediates in organic transformations. These related quinone methides are quite distinct in terms of stereo
Externí odkaz:
https://doaj.org/article/fc9bc50cbf7e4373afe7f2bb8fb453b4
Publikováno v:
Chemical Physics. 524:77-84
We studied on the geometric and electronic structures of a newly synthesized compound, 3-(tert-butyl)dinaphtho[1,2-b;1′,2′-d]furan-12,13-dione (1), having a twisted molecular structure at an o-quinone region in a crystal. The density functional t
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::59e55aba272acce7083eca5bde575f69
https://doi.org/10.1016/j.chemphys.2019.04.033
https://doi.org/10.1016/j.chemphys.2019.04.033
Publikováno v:
Chemical Physics. 552:111370
Phenanthrene, the smallest phenacene molecule, has attracted attention since its discovery more than a century ago. Its mono-aza derivatives are also historical compounds and the best candidates for examining the effect of nitrogen atoms on the elect
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::6af7685b670489b6a28d596e1d0fe6a9
https://doi.org/10.1016/j.chemphys.2021.111370
https://doi.org/10.1016/j.chemphys.2021.111370
Autor:
Ryo Irie, Kazunobu Igawa, Katsuhiko Tomooka, Masaki Furusawa, Tatsushi Imahori, Kosuke Arita, Michinori Sumimoto, Sachie Arae, Hitoshi Fujimoto, Shota Beppu
Publikováno v:
European Journal of Organic Chemistry. 2017:6914-6918
The novel base-catalyzed stereoselective intramolecular dearomatizative [4+2] cycloaddition of o-phenylene-linked ethynylnaphthol-benzofuran systems is described. In this reaction, we presume the involvement of electrophilic vinylidene o-quinone meth
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::7089bc01a55486e79de715221e791529
https://doi.org/10.1002/ejoc.201701481
https://doi.org/10.1002/ejoc.201701481
Autor:
Tamotsu Takahashi, Ken Kamikawa, Naoki Ohya, Mizuho Uryu, Ninghui Chang, Sachie Arae, Hiroto Ishimoto, Ya-Yi Tseng, Masamichi Ogasawara
Publikováno v:
Organometallics. 36(20):4061-4069
Enantioselective desymmetrization of Cs-symmetric (η5-2,5-dialkenylphospholyl)(allyldiphenylphosphine)manganese(I) dicarbonyl complexes 1 was realized by the molybdenum-catalyzed asymmetric ring-closing metathesis (ARCM), and the corresponding bridg
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5def7e7dd41893defc2f005431471b4c
http://repo.lib.tokushima-u.ac.jp/113020
http://repo.lib.tokushima-u.ac.jp/113020
Publikováno v:
Chimia. 72(12)
Vinylidene
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::52cdef9e1c3d280c5b24059411df47a1
https://pubmed.ncbi.nlm.nih.gov/30648957
https://pubmed.ncbi.nlm.nih.gov/30648957
Autor:
Masamichi Ogasawara, Shinobu Mitsuda, Atsunori Mori, Tamotsu Takahashi, Sachie Arae, Yuji Miyazaki, Satoru Tsuji, Tsuyoshi Yaita, Yuka Toyomori, Toru Kobayashi, Yoichi Okayama, Shiomi Ashida
Publikováno v:
Bulletin of the Chemical Society of Japan. 89(12):1480-1486
Preparation of 2,2′-bithiophene derivatives bearing ω-alkenyl groups at the 3,3′-positions and ring-closing metathesis reactions of the obtained compound were performed. The reaction of bithiophene bearing 3-butenyl substituents 1 with 5 mol % G
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3063bbd4201199b0652728576a36bffd
https://hdl.handle.net/20.500.14094/90003962
https://hdl.handle.net/20.500.14094/90003962
Publikováno v:
ACS Catalysis. 6:1308-1315
Highly enantioselective kinetic resolution of racemic planar-chiral metallocenylphosphine sulfides was realized by the molybdenum-catalyzed asymmetric ring-closing metathesis reaction with the krel values of up to 147. The enantiomerically enriched 1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fab527c9bba22e6cac6838c937240a97
https://doi.org/10.1021/acscatal.5b02692
https://doi.org/10.1021/acscatal.5b02692
Autor:
Tatsushi Imahori, Nobutsugu Hamamoto, Takaaki Mori, Yusuke Shigeta, Sachie Arae, Michinori Sumimoto, Ryo Irie, Hitoshi Fujimoto, Takahiro Kawatsu, Daiki Ueda, Tharmalingam Punniyamurthy, Kazunobu Igawa, Katsuhiko Tomooka
Publikováno v:
Chemistry Letters. 46:1214-1216
A new hetero[7]helicene 1NN structured by a diaza-benzodiheterole (pyrroloindole) ring core was successfully synthesized by catalytic domino cyclodehydrogenation with Pd(OAc)2 and O2 as the key step. Significantly, 1NN was stereochemically stable at
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::44009a26c6555b901bdc8fdf57d641f9
https://doi.org/10.1246/cl.170410
https://doi.org/10.1246/cl.170410
Publikováno v:
Organic letters. 20(16)
A new synthetic approach to novel axially chiral benzocarbazole derivatives based on the highly enantioselective intramolecular hydroarylation (94–96% ee) of linked alkyne–indole systems by using the prevalent chiral base catalyst, cinchonidine o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9601364add7cbe667db52cc5b02b4c1d
https://pubmed.ncbi.nlm.nih.gov/30067042
https://pubmed.ncbi.nlm.nih.gov/30067042