Search Results - "Morikawa, Takahiro"

Refine Results
  1. 1

    Trichloromethylative Olefin Cycloamination by Photoredox Catalysis by Harada, Shinji, Masuda, Ryuya, Morikawa, Takahiro, Nishida, Atsushi

    Published in European journal of organic chemistry (26-08-2021)
    “…The trichloromethyl group is an important functionality. It is a useful synthetic moiety and appears in the structures of natural and biologically active…”
    Get full text
    Journal Article
  2. 2

    Chiral Holmium Complex-Catalyzed Diels–Alder Reaction of Silyloxyvinylindoles: Stereoselective Synthesis of Hydrocarbazoles by Harada, Shinji, Morikawa, Takahiro, Nishida, Atsushi

    Published in Organic letters (18-10-2013)
    “…The catalytic and asymmetric cycloaddition between 3-[1-(silyloxy)vinyl]indoles and electron-deficient olefins gave substituted hydrocarbazoles in up to 99%…”
    Get full text
    Journal Article
  3. 3

    Chiral Holmium Complex-Catalyzed Synthesis of Hydrocarbazole from Siloxyvinylindole and Its Application to the Enantioselective Total Synthesis of (−)-Minovincine by Morikawa, Takahiro, Harada, Shinji, Nishida, Atsushi

    Published in Journal of organic chemistry (04-09-2015)
    “…The catalytic and enantioselective total synthesis of (−)-minovincine has been accomplished. The key highly substituted hydrocarbazole derivative was obtained…”
    Get full text
    Journal Article
  4. 4

    Enantioselective total synthesis of a natural hydrocarbazolone alkaloid, identification of its stereochemistry, and revision of its spectroscopic data by Wu, Siyuan, Harada, Shinji, Morikawa, Takahiro, Nishida, Atsushi

    Published in Tetrahedron: asymmetry (15-08-2017)
    “…[Display omitted] The natural hydrocarbazolone alkaloid (1R,2R,3R)-3-hydroxy-1,2-dimethyl-1,2,3,9-tetrahydro-4H-carbazol-4-one has been synthesized in a…”
    Get full text
    Journal Article
  5. 5

    Total Synthesis of Carbazomycins A and B by Wu, Siyuan, Harada, Shinji, Morikawa, Takahiro, Nishida, Atsushi

    “…Total syntheses of carbazomycins A and B were demonstrated using a ytterbium-catalyzed Diels–Alder reaction with (silyloxyvinyl)indole as a diene. The densely…”
    Get full text
    Journal Article
  6. 6

    Stereoselective synthesis of chiral hydrocarbazoles via the catalytic Diels–Alder reaction of siloxyvinylindole and cyclic Z-olefin by Yoshida, Keisuke, Morikawa, Takahiro, Yokozuka, Naoto, Harada, Shinji, Nishida, Atsushi

    Published in Tetrahedron letters (10-12-2014)
    “…[Display omitted] The catalytic Diels–Alder reaction of siloxyvinylindole and cyclic Z-olefin derived from pyroglutamic acid gave optically active substituted…”
    Get full text
    Journal Article
  7. 7
  8. 8

    Bromisoval-induced bromism with status epilepticus mimicking Wernicke's encephalopathy: report of two cases by Biyajima, Masahiro, Satoh, Shunichi, Morikawa, Takahiro, Morita, Yuki, Watanabe, Rie, Matsui, Daisuke, Konno, Masataka, Morimoto, Nobutoshi, Yatsu, Yuichi, Hirasaki, Akihito, Yahikozawa, Hiroyuki

    Published in BMC neurology (16-05-2022)
    “…Bromine compounds are used in several drugs, including over-the-counter drugs. They sometimes cause intoxication known as bromism. Although the acute…”
    Get full text
    Journal Article
  9. 9
  10. 10

    10 Fast write, 80% energy saving temperature controlling set method for multi-level cell phase change memories to solve the scaling blockade by Johguchi, Koh, Shintani, Toshimichi, Morikawa, Takahiro, Yoshioka, Kazuaki, Takeuchi, Ken

    Published in Solid-state electronics (01-03-2013)
    “…► A temperature controlling set method is proposed to reduce both energy and write time of MLC-PCM. ► The proposed set method achieves ∼80% of energy saving…”
    Get full text
    Journal Article
  11. 11

    Superlattice Phase Change Memory Fabrication Process for Back End of Line Devices by Ohyanagi, Takasumi, Takaura, Norikatsu, Kitamura, Masahito, Tai, Mitsuharu, Kinoshita, Masaharu, Akita, Kenichi, Morikawa, Takahiro, Tominaga, Junji

    Published in Japanese Journal of Applied Physics (01-05-2013)
    “…The superlattice film with the periodical thin film layers of Sb 2 Te 3 /GeTe used as a phase change memory was studied for deposition in the crystal phase. We…”
    Get full text
    Journal Article
  12. 12

    A 4F2-cross-point phase change memory using nano-crystalline doped GeSbTe material by Takaura, Norikatsu, Kinoshita, Masaharu, Tai, Mitsuharu, Ohyanagi, Takasumi, Akita, Kenichi, Morikawa, Takahiro

    Published in Japanese Journal of Applied Physics (14-01-2015)
    “…This paper reports on the use of nano-crystalline doped GeSbTe, or nano-GST, to fabricate a cross-point phase change memory with 4F2 cell size and test results…”
    Get full text
    Journal Article
  13. 13

    Device Design Consideration for Robust SiC VDMOSFET With Self-Aligned Channels Formed by Tilted Implantation by Morikawa, Takahiro, Ishigaki, Takashi, Shima, Akio

    Published in IEEE transactions on electron devices (01-08-2019)
    “…We designed a simple self-aligned process for defining short channels in 3.3-kV SiC mymargin DMOSFETs. We utilized a tilt-angle ion implantation technique in…”
    Get full text
    Journal Article
  14. 14

    Oxidative Entry into the Illicium Sesquiterpenes: Enantiospecific Synthesis of (+)-Pseudoanisatin by Hung, Kevin, Condakes, Matthew L, Morikawa, Takahiro, Maimone, Thomas J

    Published in Journal of the American Chemical Society (28-12-2016)
    “…Illicium sesquiterpenes have been the subject of numerous synthetic efforts due to their ornate and highly oxidized structures as well as significant…”
    Get full text
    Journal Article
  15. 15

    Performance Improvement for 3.3 kV 1000 A High-Power Density Full-SiC Power Modules With Sintered Copper Die Attach by Yasui, Kan, Morikawa, Takahiro, Hayakawa, Seiichi, Funaki, Tsuyoshi

    “…To increase the power density of 3.3 kV full-silicon carbide (SiC) power modules, a sintered copper die attach and an SBD-less structure were combined to yield…”
    Get full text
    Journal Article
  16. 16

    Bowing-head sign: rare but detectable in pre-catastrophic hip implant failure by Homma, Yasuhiro, Morikawa, Takahiro, Ishii, Seiya, Baba, Tomonori, Kaneko, Kazuo

    Published in Archives of orthopaedic and trauma surgery (01-12-2020)
    “…Recently, catastrophic failure (i.e., dissociation between the metal femoral head and stem due to stem neck deformation) after total hip arthroplasty (THA) has…”
    Get full text
    Journal Article
  17. 17

    1.2 kV silicon carbide Schottky barrier diode embedded MOSFETs with extension structure and titanium-based single contact by Shimizu, Haruka, Watanabe, Naoki, Morikawa, Takahiro, Shima, Akio, Iwamuro, Noriyuki

    Published in Japanese Journal of Applied Physics (01-02-2020)
    “…Recently, to avoid forward-voltage degradation of body diodes, which is caused by the expansion of stacking faults due to hole-current conduction through the…”
    Get full text
    Journal Article
  18. 18

    Development of a Terpene Feedstock-Based Oxidative Synthetic Approach to the Illicium Sesquiterpenes by Hung, Kevin, Condakes, Matthew L, Novaes, Luiz F. T, Harwood, Stephen J, Morikawa, Takahiro, Yang, Zhi, Maimone, Thomas J

    Published in Journal of the American Chemical Society (20-02-2019)
    “…The Illicium sesquiterpenes are a family of natural products containing over 100 highly oxidized and structurally complex members, many of which display…”
    Get full text
    Journal Article
  19. 19
  20. 20

    Analysis of Degradation Phenomena in Bipolar Degradation Screening Process for SiC-MOSFETs by Ishigaki, Takashi, Murata, Tatsunori, Kinoshita, Koyo, Morikawa, Takahiro, Oda, Tetsuo, Fujita, Ryuusei, Konishi, Kumiko, Mori, Yuki, Shima, Akio

    “…We have developed a 3.3 kV ultra-high power density SiC power module, which was realized by fulfilment with only SiC-MOSFETs. As a countermeasure for bipolar…”
    Get full text
    Conference Proceeding