Zobrazeno 1 - 10
of 24
pro vyhledávání: '"Tomoyuki Kosai"'
Autor:
Kaho Tanaka, Naohiko Akasaka, Tomoyuki Kosai, Shunya Honda, Yuya Ushijima, Shintaro Ishida, Takeaki Iwamoto
Publikováno v:
Molecules, Vol 26, Iss 6, p 1632 (2021)
π-Electron systems of silicon have attracted attention because of their narrow HOMO-LUMO gap and high reactivity, but the structural diversity remains limited. Herein, new dialkylboryl-substituted disilenes were synthesized by the selective desilyla
Externí odkaz:
https://doaj.org/article/6c06d515ed9f4509bf9b9348172ea02d
Autor:
Shunya Abe1, Tomoyuki Kosai1, Tomohiro Iimura2, Takeaki Iwamoto1 takeaki.iwamoto@tohoku.ac.jp
Publikováno v:
European Journal of Inorganic Chemistry. 7/23/2020, Vol. 2020 Issue 27, p2651-2657. 7p.
Publikováno v:
Chemistry Letters. 50:293-296
A cyclic (alkyl)(amino)bromoborane (CAABBr) was synthesized by a reaction of the corresponding hydroborane with bromine in the presence of triethylamine. Reduction of the resulting CAABBr with Li p...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8ebf3236bce0c689569d7bf9a28ef281
https://doi.org/10.1246/cl.200749
https://doi.org/10.1246/cl.200749
Publikováno v:
European Journal of Inorganic Chemistry. 2020:2651-2657
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3e997f68edd480dc4666c37c3afb065f
https://doi.org/10.1002/ejic.202000360
https://doi.org/10.1002/ejic.202000360
Publikováno v:
Chemistry – A European Journal. 25:9295-9302
Cyclic (alkyl)(amino)silylene (CAASi) 1 has been found to successfully dehydrogenate 1,4-dihydroaromatic compounds containing various substituents to afford the corresponding aromatic compounds. The observed high substrate generality proves 1 to be a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aaaf8b8e1cabcadcf35c0e936591ce25
https://doi.org/10.1002/chem.201901407
https://doi.org/10.1002/chem.201901407
Publikováno v:
Chemistry (Weinheim an der Bergstrasse, Germany). 27(2)
Direct activation of inert C(sp3 )-H bonds by main group element species is yet a formidable challenge. Herein, the dehydrogenation of cyclohexene and 1,2,3,4-tetrahydronaphthalene through the allylic/benzylic and homoallylic/homobenzylic C-H bond ac
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::e8cc8762a113c21459bbba5bcc8220e7
https://pubmed.ncbi.nlm.nih.gov/32931054
https://pubmed.ncbi.nlm.nih.gov/32931054
Autor:
Takeaki Iwamoto, Tomoyuki Kosai
Publikováno v:
Chemistry - A European Journal. 24:7774-7780
Activation of H2 by compounds of main-group elements has received considerable attention. Herein, we report synthesis of novel monoboryl- and monoamino-substituted disilenes and their characterization by a combination of NMR spectroscopy and single-c
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::66732e27a54553246447297f97e9e582
https://doi.org/10.1002/chem.201801286
https://doi.org/10.1002/chem.201801286
Publikováno v:
Chemistry Letters. 48:1168-1170
A spiro-type cyclotrisilene was synthesized by the novel Si–Si coupling reaction of a disilenide and a base-adduct of bromosilylene and characterized by a combination of spectroscopic and crystallo...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fb5f32047dba911e1dd3c074fe6130f8
https://doi.org/10.1246/cl.190438
https://doi.org/10.1246/cl.190438
Autor:
Tomoyuki Kosai, Takeaki Iwamoto
Publikováno v:
Journal of the American Chemical Society. 139:18146-18149
The push–pull effect has been widely used to effectively tune π-electron systems. Herein, we report the synthesis and properties of 1-amino-2-boryldisilene 1 as the first push–pull disilene. Its spectroscopic and structural features show substan
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::866194bf37176877a6e13468a75a934b
https://doi.org/10.1021/jacs.7b09989
https://doi.org/10.1021/jacs.7b09989
Publikováno v:
Dalton Transactions. 46:11271-11281
Although many stable disilenes (silicon–silicon doubly-bonded compounds) containing organic π-electron systems have been reported, stable disilenes with heteroaromatic groups remain rare. Herein, we report the synthesis of monodisilenyl-substitute
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3f99687a1934edc948edab0ea7b4c71d
https://doi.org/10.1039/c7dt02357j
https://doi.org/10.1039/c7dt02357j