User profiles for TAKUYA HASHIMOTO

Takuya Hashimoto

Nihon University
Verified email at chs.nihon-u.ac.jp
Cited by 14880

Recent advances of catalytic asymmetric 1, 3-dipolar cycloadditions

T Hashimoto, K Maruoka - Chemical reviews, 2015 - ACS Publications
In his seminal work, 1 Rolf Huisgen defined 1, 3-dipolar cycloadditions as “1, 3-Dipole, abc,
must be defined, such that atom a posseses an electron sextet, that is, an incomplete …

The onset of star formation 250 million years after the Big Bang

T Hashimoto, N Laporte, K Mawatari, RS Ellis… - Nature, 2018 - nature.com
A fundamental quest of modern astronomy is to locate the earliest galaxies and study how
they influenced the intergalactic medium a few hundred million years after the Big Bang 1 , 2 – …

Oxygen nonstoichiometry and defect equilibrium in the perovskite-type oxides La1− xSrxMnO3+ d

…, H Inaba, K Naraya, T Sasamoto, T Hashimoto - Solid state ionics, 2000 - Elsevier
Oxygen nonstoichiometry of perovskite-type oxide solid solution La 1−x Sr x MnO 3+d (x=0–0.5)
is summarized in a plot of oxygen content, 3+d, vs. logP(O 2 ) at 873–1273 K. For x≤0.4…

Recent development and application of chiral phase-transfer catalysts

T Hashimoto, K Maruoka - Chemical Reviews, 2007 - ACS Publications
Phase-transfer catalysis has long been recognized as a versatile methodology for organic
synthesis in both industrial and academic laboratories, featuring its simple experimental …

Electrical and ionic conductivity of Gd‐doped ceria

…, T Kobayashi, M Dokiya, T Hashimoto - Journal of the …, 2000 - iopscience.iop.org
Moderate-temperature solid-oxide fuel cells (SOFCs) are widely considered in the process of
SOFC commercialization. Lower operating temperatures require a higher ionic conductivity …

Electronic conductivity, Seebeck coefficient, defect and electronic structure of nonstoichiometric La1− xSrxMnO3

…, K Naraya, T Sasamoto, H Inaba, T Hashimoto - Solid state ionics, 2000 - Elsevier
In order to elucidate the relationship between the electrical properties and composition (d
and x) of La 1−x Sr x MnO 3+d , precise measurements were made on the conductivity, σ, and …

A search for h-dropout lyman break galaxies at z∼ 12–16

…, AK Inoue, K Mawatari, T Hashimoto… - The Astrophysical …, 2022 - iopscience.iop.org
We present two bright galaxy candidates at z∼ 12–13 identified in our H-dropout Lyman
break selection with 2.3 deg 2 near-infrared deep imaging data. These galaxy candidates, …

[HTML][HTML] Hypoxia-inducible factor as an angiogenic master switch

T Hashimoto, F Shibasaki - Frontiers in pediatrics, 2015 - frontiersin.org
Hypoxia-inducible factors (HIFs) regulate the transcription of genes that mediate the response
to hypoxia. HIFs are constantly expressed and degraded under normoxia, but stabilized …

Design of Axially Chiral Dicarboxylic Acid for Asymmetric Mannich Reaction of Arylaldehyde N-Boc Imines and Diazo Compounds

T Hashimoto, K Maruoka - Journal of the American Chemical …, 2007 - ACS Publications
Takuya Hashimoto, Alberto Osuna Gálvez, and Keiji Maruoka . Boronic Acid-Catalyzed,
Highly Enantioselective Aza-Michael Additions of Hydroxamic Acid to Quinone Imine Ketals …

Big Three Dragons: A z = 7.15 Lyman-break galaxy detected in [O iii] 88 μm, [C ii] 158 μm, and dust continuum with ALMA

T Hashimoto, AK Inoue, K Mawatari… - Publications of the …, 2019 - academic.oup.com
We present new ALMA observations and physical properties of a Lyman break galaxy at z =
7.15. Our target, B14-65666, has a bright ultra-violet (UV) absolute magnitude, M UV ≈ −…