Zobrazeno 1 - 10
of 807
pro vyhledávání: '"Jun-ichi Yoshida"'
Autor:
Koichi Mitsudo, Junya Yamamoto, Tomoya Akagi, Atsuhiro Yamashita, Masahiro Haisa, Kazuki Yoshioka, Hiroki Mandai, Koji Ueoka, Christian Hempel, Jun-ichi Yoshida, Seiji Suga
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 14, Iss 1, Pp 1192-1202 (2018)
In this study, six-membered N-acyliminium ions were generated by the “indirect cation pool” method and reacted with several nucleophiles. These reactions afforded disubstituted piperidine derivatives with high diastereoselectivities and good to e
Externí odkaz:
https://doaj.org/article/0bac204719794129b1b36c9fe48e2457
Autor:
Akihiro Shimizu, Shun Horiuchi, Ryutaro Hayashi, Kouichi Matsumoto, Yu Miyamoto, Yusuke Morisawa, Tomonari Wakabayashi, Jun-ichi Yoshida
Publikováno v:
ARKIVOC, Vol 2018, Iss 2, Pp 97-113 (2017)
Externí odkaz:
https://doaj.org/article/b33bcc7777384ec8a2726ec60cda6915
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 11, Iss 1, Pp 242-248 (2015)
β-Haloalkoxysulfonium ions generated by the reaction of electrogenerated Br+ and I+ ions stabilized by dimethyl sulfoxide (DMSO) reacted with sodium hydroxide and sodium methoxide to give the corresponding halohydrins and epoxides, respectively, whe
Externí odkaz:
https://doaj.org/article/5c36e41381524424a6d1e39b0d849fbb
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 11, Iss 1, Pp 174-183 (2015)
The cobalt(I)-catalysed 1,4-hydrovinylation reaction of allyloxytrimethylsilane and allyl alcohol with substituted 1,3-dienes leads to hydroxy-functionalised 1,4-dienes in excellent regio- and diastereoselective fashion. Those 1,4-dienols can be conv
Externí odkaz:
https://doaj.org/article/18a671a0195148979d1bce42bf1aac95
Autor:
Toshiki Nokami, Naoki Musya, Tatsuya Morofuji, Keiji Takeda, Masahiro Takumi, Akihiro Shimizu, Jun-ichi Yoshida
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 10, Iss 1, Pp 3097-3103 (2014)
Dendronized polystyrene having peripheral bromo groups was prepared from the dendronization of unfunctionalized polystyrene with dendritic diarylcarbenium ions bearing peripheral bromo groups using the “cation pool” method. The palladium-catalyze
Externí odkaz:
https://doaj.org/article/d60f4395254746a4b2a11023f0f1482f
Autor:
Aiichiro Nagaki, Katsuyuki Hirose, Yuya Moriwaki, Masahiro Takumi, Yusuke Takahashi, Koji Mitamura, Kimihiro Matsukawa, Norio Ishizuka, Jun-ichi Yoshida
Publikováno v:
Catalysts, Vol 9, Iss 3, p 300 (2019)
The space integration of the lithiation of aryl halides, the borylation of aryllithiums, and Suzuki–Miyaura coupling using a Pd catalyst supported by a polymer monolith flow reactor without using an intentionally added base was achieved. To scale u
Externí odkaz:
https://doaj.org/article/05ac8e55bad747d9b2036ab7baca9fe5
Autor:
Osamu Tonomura, Satoshi Taniguchi, Kazuki Nishi, Aiichiro Nagaki, Jun-ichi Yoshida, Katsuyuki Hirose, Norio Ishizuka, Shinji Hasebe
Publikováno v:
Catalysts, Vol 9, Iss 4, p 308 (2019)
To realize stable operation of a microchemical system, it is necessary to develop a process monitoring method that can detect and diagnose blocked microreactors. In this study, a system composed of five monolithic microreactors and a split-and-recomb
Externí odkaz:
https://doaj.org/article/1dbf6a97b23649eea77d930fd58fc03f
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 9, Iss 1, Pp 2793-2802 (2013)
Organo-fluorine compounds are the substances of considerable interest in various industrial fields due to their unique physical and chemical properties. Despite increased demand in wide fields of science, synthesis of fluoro-organic compounds is stil
Externí odkaz:
https://doaj.org/article/3dc6e54f0c93420296d2077bebe3e7e0
Autor:
Toshiki Nokami, Akito Shibuya, Yoshihiro Saigusa, Shino Manabe, Yukishige Ito, Jun-ichi Yoshida
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 8, Iss 1, Pp 456-460 (2012)
Glycosyl triflates with a 2,3-oxazolidinone protecting group were generated from thioglycosides by low-temperature electrochemical oxidation. The glycosyl triflates reacted with alcohols to give the corresponding glycosides β-selectively at low temp
Externí odkaz:
https://doaj.org/article/f6088fa2391a4b6698b1d245ad7d6678
Autor:
Kenshu Fujiwara, Hidetoshi Kawai, Aiichiro Nagaki, Naofumi Takabayashi, Takanori Suzuki, Jun-ichi Nishida, Yusuke Ishigaki, Jun-ichi Yoshida
Publikováno v:
Materials, Vol 4, Iss 11, Pp 1906-1926 (2011)
A series of biphenyl-2,2'-diylbis(diarylmethanol)s 3, which have two kinds of aryl groups at the bay region, were efficiently obtained by integrated flow microreactor synthesis. The diols 3NO/NX are the precursors of unsymmetric biphenylic dications
Externí odkaz:
https://doaj.org/article/ef51bda8e2fa409189de139e68eaa620