Eito Yoshioka
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Explore the profile of Eito Yoshioka including associated specialties, affiliations and a list of published articles.
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17
Citations
268
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Recent Articles
1.
Yoshioka E, Imoto Y, Yamaoka Y, Ikeda T, Takahashi H, Tanaka R, et al.
Chemistry
. 2024 Apr;
30(36):e202400602.
PMID: 38658317
Radical-polar crossover reactions were studied for the intramolecular cyclopropanation of active methylene derivatives. In the presence of FeCl as a stoichiometric oxidant and KHPO as a base, the dehydrogenative cyclopropanation...
2.
Yoshioka E, Yamaoka Y, Shimada S, Tanaka H, Miyabe H
Chem Pharm Bull (Tokyo)
. 2023 Oct;
71(10):775-781.
PMID: 37779079
The effect of fluoro substituent on the regioselectivity of several reactions of 3,6-disubstituted arynes was studied. These arynes contained another inductively electron-withdrawing substituent other than fluorine. A reasonable degree of...
3.
Yoshioka E, Kakigi K, Miyoshi S, Kawasaki Y, Miyabe H
J Org Chem
. 2020 Sep;
85(21):13544-13556.
PMID: 32985890
The synthesis and reaction of new 3-haloaryne precursors were studied. The -(trimethylsilyl)aryl triflate precursors were prepared by a simple procedure involving -trimethylsilylation and migration of a trimethylsilyl group followed by...
4.
Kohtani S, Kawashima A, Masuda F, Sumi M, Kitagawa Y, Yoshioka E, et al.
Chem Commun (Camb)
. 2018 Oct;
54(89):12610-12613.
PMID: 30346464
Modification of titanium dioxide (TiO2) photocatalysts with chiral reagents was evaluated by the hydrogenation of aromatic ketones. The strong adsorption of chiral mandelic acid (R)-MA on TiO2 was confirmed by...
5.
Yoshioka E, Inoue M, Nagoshi Y, Kobayashi A, Mizobuchi R, Kawashima A, et al.
J Org Chem
. 2018 Jul;
83(16):8962-8970.
PMID: 29969904
The catalytic and chemoselective oxidation of cinnamaldehyde derivatives having a C═C bond and formyl group was studied by using two organocatalysts. The visible-light-induced catalysis using rhodamine 6G as an organophotocatalyst...
6.
Miyabe H, Kawashima A, Yoshioka E, Kohtani S
Chemistry
. 2017 Jan;
23(26):6225-6236.
PMID: 28120354
The control of stereoselectivity in radical reactions is of great importance to organic synthesis. Hence, new concepts and strategies for controlling stereochemistry of radical reactions are emerging continuously. This Review...
7.
Yoshioka E, Kohtani S, Hashimoto T, Takebe T, Miyabe H
Chem Pharm Bull (Tokyo)
. 2017 Jan;
65(1):33-35.
PMID: 28049913
In the presence of charge-transfer complexes between iodine and tertiary amines, the aqueous-medium atom-transfer radical reactions proceeded under visible light irradiation without the typical photocatalysts.
8.
Yoshioka E, Kohtani S, Jichu T, Fukazawa T, Nagai T, Kawashima A, et al.
J Org Chem
. 2016 Jun;
81(16):7217-29.
PMID: 27314306
The utility of rhodamine B as a water-soluble organic photocatalyst was studied in the cascade radical addition-cyclization-trapping reactions under visible light irradiation. In the presence of (i-Pr)2NEt, the electron transfer...
9.
Yoshioka E
Yakugaku Zasshi
. 2015 Nov;
135(11):1255-64.
PMID: 26521874
Arynes, such as benzyne, are highly strained and kinetically unstable intermediates that have been widely employed in organic synthesis. In particular, since the initial report regarding the in situ generation...
10.
Yoshioka E, Nishimura M, Nakazawa T, Kohtani S, Miyabe H
J Org Chem
. 2015 Jul;
80(16):8464-9.
PMID: 26214735
One-pot synthesis of xanthene derivatives was achieved by a route involving the cascade three-component coupling reaction of arynes with DMF and active methylenes followed by the SN2' reaction of three-component...