Expression and function of PD‐1 in human γδ T cells that recognize phosphoantigens
- Masashi Iwasaki, Yoshimasa Tanaka, N. Minato
- Biology, MedicineEuropean Journal of Immunology
- 1 February 2011
Results suggest that TCR triggering may partially overcome the inhibitory effect of PD‐1 in γδ T cells.
Total Synthesis of Balanol.
- H. Miyabe, Mayumi Torieda, K. Inoue, Kazumi Tajiri, T. Kiguchi, T. Naito
- Chemistry
- 1 September 1994
The efficient total synthesis of (−)-balanol, a potent inhibitor of the protein kinase C, is described. (−)-Balanol consists of a chiral hexahydroazepine-containing fragment and a benzophenone…
Kinetic study on photocatalytic hydrogenation of acetophenone derivatives on titanium dioxide
- Shigeru Kohtani, Yuna Kamoi, Eito Yoshioka, H. Miyabe
- Chemistry
- 11 March 2014
Acetophenone (AP) derivatives were photocatalytically hydrogenated to afford the corresponding secondary alcohols with excellent chemical efficiencies on titanium dioxide (Degussa P25, TiO2) under UV…
Adsorptive and Kinetic Properties on Photocatalytic Hydrogenation of Aromatic Ketones upon UV Irradiated Polycrystalline Titanium Dioxide: Differences between Acetophenone and Its Trifluoromethylated…
- Shigeru Kohtani, Eito Yoshioka, Kenji Saito, A. Kudo, H. Miyabe
- Chemistry
- 10 August 2012
Adsorptive and kinetic properties on photocatalytic hydrogenation of acetophenone (AP) and 2,2,2-trifluoroacetophenone (TFAP) have been investigated upon UV irradiated P25 TiO2 in deaerated ethanol.…
Palladium-indium iodide-mediated allylation and propargylation of glyoxylic oxime ether and hydrazone: the role of water in directing the diastereoselective allylation.
- H. Miyabe, Y. Yamaoka, T. Naito, Y. Takemoto
- ChemistryJournal of Organic Chemistry
- 21 January 2004
Allylation and propargylation of glyoxylic oxime ether in the presence of a catalytic amount of palladium(0) complex and indium(I) iodide were studied. Excellent diastereoselectivities in allylation…
Discovery and Application of Asymmetric Reaction by Multi-Functional Thioureas
- H. Miyabe, Y. Takemoto
- Chemistry, Biology
- 10 July 2008
It is discovered that bifunctional thiourea bearing a tertiary amino group signif...
Catalytic enantioselective petasis-type reaction of quinolines catalyzed by a newly designed thiourea catalyst.
- Y. Yamaoka, H. Miyabe, Y. Takemoto
- ChemistryJournal of the American Chemical Society
- 8 May 2007
A newly designed thiourea catalyst provides sufficient activation of organoboronic acids to facilitate the enantioselective Petasis transformation of quinolines even at low temperatures. A high…
Reactivity of Trapped and Accumulated Electrons in Titanium Dioxide Photocatalysis
- Shigeru Kohtani, Aki Kawashima, H. Miyabe
- Chemistry
- 13 October 2017
Electrons, photogenerated in conduction bands (CB) and trapped in electron trap defects (Tids) in titanium dioxide (TiO2), play crucial roles in characteristic reductive reactions. This review…
A multicomponent coupling reaction induced by insertion of arynes into the C=O bond of formamide.
- Eito Yoshioka, Shigeru Kohtani, H. Miyabe
- ChemistryAngewandte Chemie
- 11 July 2011
Synthesis of various chromene and coumarin derivatives is achieved by three-component coupling of aryne precursors, dimethylformamide and active methylenes under neutral conditions.
Sequential reaction of arynes via insertion into the pi-bond of amides and trapping reaction with dialkylzincs.
- Eito Yoshioka, Shigeru Kohtani, H. Miyabe
- ChemistryOrganic Letters
- 2 April 2010
The sequential transformation of arynes into ortho-disubstituted arenes is achieved by a one-pot procedure using formamides and dialkylzincs. This reaction proceeded via a route involving the…
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