Zobrazeno 1 - 10
of 119
pro vyhledávání: '"Fumitoshi Shibahara"'
Autor:
Takuya Sonoda, Masaya Kanamori, Koki Endo, Kazuki Miwa, Satoshi Kurumada, Katsunori Suzuki, Makoto Yamashita, Fumitoshi Shibahara
Publikováno v:
Israel Journal of Chemistry.
Publikováno v:
Bulletin of the Chemical Society of Japan. 93:332-337
To investigate the catalytic utility of the imidazo[1,5-a]pyrid-3-ylidene (IPC) ligand, Pd-catalyzed transfer semihydrogenation of alkynes with formic acid as a hydrogen source was conducted. The s...
Publikováno v:
Asian Journal of Organic Chemistry. 7:1323-1326
Publikováno v:
Bulletin of the Chemical Society of Japan; Mar2020, Vol. 93 Issue 3, p332-337, 6p
Publikováno v:
Organic & Biomolecular Chemistry. 15:1810-1820
Various 1-substituted-imidazo[1,5-a]pyridin-3-ylidenes were prepared and characterized. The fundamental character and the effects of substituents on the imidazo[1,5-a]pyridine backbone on the electronic character of carbenes were evaluated using rhod
Autor:
Yasuhiro Kawai, Fumitoshi Shibahara, Shigesaki Kaga, Toshiaki Murai, Kimitaka Futamura, Ryuta Wada
Publikováno v:
Tetrahedron. 83:131978
A new route to thiophene-ring-fused compounds with thionyl chloride as a sulfur source was developed. Use of an excess amount thionyl chloride directly gave the corresponding thiophene-ring-fused compound via further reduction of generated thiophene-
Publikováno v:
Tetrahedron Letters. 57:2945-2948
The arylative cyclization of o -(1-alkynyl)thioanisoles with aryl iodides in the presence of catalytic amounts of [Pd(phen) 2 ][PF 6 ] 2 resulted in the efficient formation of 3-arylated benzo[ b ]thiophenes, and a range of aryl iodides with electron
Publikováno v:
Organic Letters. 17:5392-5395
A direct C-H bond arylation method for thienyl thioamides catalyzed by [Pd(phen)2](PF6)2 was developed. This reaction selectively afforded 2-monoarylated products, while the corresponding amide thiophene derivatives furnished 2,5-diarylated products.
Publikováno v:
Journal of Organometallic Chemistry. 794:76-80
Rh(I) and Ir(I) complexes bearing imidazo[1,5-a]pyridine-1-ylalkyl alcohol as chelating NˆO-monoanionic ligands were prepared as thermally stable compounds. Their spectroscopic properties and structures were determined based on IR and NMR spectra an
Autor:
Toshifumi Maruyama, Fumitoshi Shibahara, Hiroaki Kubuki, Tomohiko Mizutani, Akihito Yoshida, Kirara Yamaguchi, Toshiaki Murai
Publikováno v:
Chemistry Letters. 46:1017-1019
The reactions of 2-pyrones and coumarins with hydrochlorosilane, elemental selenium, and 4-dimethylaminopyridine (DMAP) gave 2-selenopyrones and selenocoumarins in moderate to good yields. Their fo...