Mitsuhiro Yoshimatsu
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Explore the profile of Mitsuhiro Yoshimatsu including associated specialties, affiliations and a list of published articles.
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22
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16
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Recent Articles
1.
Nakano T, Kousaka N, Nakayama A, Kato Y, Takashima K, Tanabe G, et al.
Org Lett
. 2024 Feb;
26(9):1753-1757.
PMID: 38411088
In this study, we discover a good NO/HNO precursor, -hydroxypyridinesulfonamide, and the regioselective radical nitrososulfonylation reaction of propargyl alcohols. Direct and unique isoxazole synthesis afforded a good-to-high yield of 5-alkyl-3-aryl-4-pyridinesulfonylisoxazoles....
2.
Yoshimatsu M, Goto H, Saito R, Iguchi K, Kikuchi M, Wasada H, et al.
Commun Chem
. 2023 Dec;
6(1):279.
PMID: 38104229
Dehydration is an abundant and promising process in chemical, biochemical, and industrial fields. Dehydration methods can contribute to building a modern and sustainable society with minimal environmental impact. Breakthrough advances...
3.
Yoshimatsu M, Sugimoto T, Okada N, Kinoshita S
J Org Chem
. 2021 Jul;
64(14):5162-5165.
PMID: 34237830
α-(Methylthio)- or α-(phenylthio)-substituted perfluoroacylolefinations of nonenolizable aldehydes using the β-lithio-β-thio-perfluoroalkyl enol ethers stereoselectively proceeded to give ()-α,β-unsaturated perfluoroalkyl ketones , , , and . The α-(thio)-α,β-unsaturated trifluoromethyl ketones were easily...
4.
Go T, Morimatsu A, Wasada H, Tanabe G, Muraoka O, Sawada Y, et al.
Beilstein J Org Chem
. 2018 Dec;
14:2722-2729.
PMID: 30498522
A unique 1,7-S- and Se-shift reaction under Pummerer reaction conditions of 4-alkenyl-3-sulfinyl- and seleninylpyrroles was described. The usual Pummerer reaction of 4-(alkenylaminomethyl)-3-phenylsulfinylpyrroles and a successive reaction with tetrabutylammonium hydroxide (TBAH)...
5.
Copper-Mediated Reactions of Nitriles with Nitromethanes: Aza-Henry Reactions and Nitrile Hydrations
Kuwabara J, Sawada Y, Yoshimatsu M
Org Lett
. 2018 Feb;
20(4):1130-1133.
PMID: 29412678
In this study, the first aza-Henry reaction of nitriles with nitromethane in a CuI/CsCO/DBU system is described. The process was conveniently and directly used for the synthesis of β-aminonitroalkenes 2a-x...
6.
Kobayashi Y, Tanahashi R, Yamaguchi Y, Hatae N, Kobayashi M, Ueno Y, et al.
J Org Chem
. 2017 Feb;
82(5):2436-2449.
PMID: 28151664
The Ni-Pd catalyzed addition-cyclization of sulfanyl 1,6-diynes 2-9 with nucleobases is described. The reactions of N-tethered 1,6-diynes with N-benzoylthymine, N,N-bis(Boc)cytosine, N-benzoyluracil and N,N-bis(Boc)adenine exclusively afforded the pyrrolylmethyl and furylmethyl nucleotides...
7.
Yoshimatsu M, Tanaka M, Fujimura Y, Ito Y, Goto Y, Kobayashi Y, et al.
J Org Chem
. 2015 Sep;
80(19):9480-94.
PMID: 26348544
A protocol for the direct synthesis of azepines using a hafnium(III)-catalyzed [6 + 1] annulation of N-tethered ynenitriles with Reformatsky reagents is reported. A broad range of 3-amino-2,7-dihydro-1H-azepine-4-carboxylates 4aa-4he were...
8.
Yoshimatsu M, Ohta K, Takahashi N
Chemistry
. 2012 Nov;
18(49):15602-6.
PMID: 23143924
Pyrazoles direct: propargyl alcohols undergo hydrazination when treated with p-tosyl hydrazide in the presence of catalytic amounts of either Sc(OTf)(3) or La(OTf)(3) (see scheme; Tf=trifluoromethanesulfonyl). Propargyl hydrazides are converted into...
9.
Yoshimatsu M, Sasaki H, Sugimoto Y, Nagase Y, Tanabe G, Muraoka O
Org Lett
. 2012 Jun;
14(12):3190-3.
PMID: 22670873
Copper(I)-catalyzed alkynylation-cyclization of 4-oxahepta-1,6-diynes 1 with a wide variety of terminal alkynes proceeded to give (3E,4Z)-3-(phenylsulfanylmethylene)-4-(2-propynylidene)tetrahydrofuran-2-yl]benzenes 2aa-he in high yields with complete regio- and stereoselectivity.
10.
Ohta K, Koketsu E, Nagase Y, Takahashi N, Watanabe H, Yoshimatsu M
Chem Pharm Bull (Tokyo)
. 2011 Sep;
59(9):1133-40.
PMID: 21881257
Direct scandium- and lanthanum-catalyzed etherifications of propargyl alcohols 1 and 6 in MeNO₂-H₂O provided propargyl ethers 3, 4 and 7 in high yields. In addition, reactions of 1 and 6...