Search Results - "Sumida, Shin"

New and Stereoselective Synthesis of 1,4-Disubstituted Buten-4-ols (Homoallylic Alcohol α-Adducts) from the Corresponding γ-Isomers (3,4-Disubstituted Buten-4-ols) via an Acid-Catalyzed Allyl-Transfer Reaction with Aldehydes by Sumida, Shin-ichi, Ohga, Masanori, Mitani, Junji, Nokami, Junzo

“…The γ-adducts of homoallylic alcohols 3, derived from aldehydes via the usual reaction with common allylic metals 1, were converted to the corresponding…”
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New Route to α-Adducts of Homoallylic Alcohols by an Acid-Catalyzed Stereospecific Allyl-Transfer Reaction from γ-Adducts by Nokami, Junzo, Anthony, Laurence, Sumida, Shin-ichi

“…Allylation of aldehydes by an allyl‐transfer reaction from the γ‐adducts of homoallylic alcohols has been successfully carried out to give the corresponding…”
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Efficient Electrochemical N-Glycosylation of Silylated Pyrimidines with Protected Arylthioriboses in the Presence of a Catalytic Amount of NBS or Br2 by Nokami, Junzo, Osafune, Masahiro, Ito, Yuichiro, Miyake, Fumiaki, Sumida, Shin-ichi, Torii, Sigeru

“…Electrolysis of silylated pyrimidines with protected arylthioribose, in the presence of a catalytic amount of NBS or Br2 as a mediator in an undivided cell,…”
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New Concept in the Allylation of Aldehydes:  Regiospecific Allylation of Aldehydes by an Allyl-Transfer Reaction of Homoallylic Alcohols by Nokami, Junzo, Yoshizane, Kenji, Matsuura, Hiroyuki, Sumida, Shin-ichi

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How 2-anilinovinyl perfluoroalkyl ketones can be mechanistically correlated with their cyclization products 2-(perfluoroalkyl)quinolines by Schlosser, Manfred, Keller, Holger, Sumida, Shin-ichi, Yang, Jin

“…When heated in the presence of phosphoryl chloride, 2-anilinovinyl perfluoroalkyl ketones [ e.g., 4-anilino-1,1,1-trifluorobut-3-en-2-one] afford…”
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Efficient UV generation of a Yb-fiber MOPA producing high peak power for pulse durations of from 100 ps to 2 ns by Kamba, Yasuhiro, Tei, Kazuyoku, Yamaguchi, Shigeru, Enokidani, Jun, Sumida, Shin

“…We demonstrate an average ultraviolet (UV) power generation of 20 W by harmonically converting the output of an all-fiber master oscillator power amplifier…”
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Characteristics of Ceramic Microheater for Fiber Coupler Fabrication by Takeuchi, Yoshiaki, Hirayama, Mamoru, Sumida, Shin, Kobayashi, Osamu

“…Properties of a microheater have been greatly improved for use in fused-tapered fiber coupler fabrication by employing a ceramic heat source. Lanthanum…”
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Study of fiber management for optical board integration by Kobayashi, Masaru, Asakawa, Shuichiro, Hirayama, Mamoru, Abe, Yoshiteru, Hida, Yasuhiro, Kominato, Toshimi, Goh, Takashi, Kawai, Takeshi, Sumida, Shin

“…With a view to high‐density integration and high production integration of printed circuit boards for installation of optical devices (optical boards), FMOB…”
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Analysis of and experiments with crosstalk between adjacent graded-index optical fibers by Maekawa, E., Shin Sumida

“…This paper clarifies crosstalk dependence on fiber parameters to ensure proper multicore or bunch fiber design. The analysis of crosstalk between adjacent…”
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Fundamental studies on flat bunched optical fibers by Shin Sumida, Maekawa, E., Murata, H.

“…To produce an ultra-high fiber count optical cable with ultra-high density for subscriber loop applications, a new multicore fiber format, called "flat bunch…”
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A new method of optical fiber loss measurement by the side-illumination technique by Shin Sumida, Murata, H., Katsuyama, Y.

“…A new method, "side-illumination method" for optical loss measurement is proposed and its applicability to graded-index multimode fibers is investigated…”
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Structural design for nonmetallic optical fiber cables made of high-modulus and low linear-expansion coefficient polymer tubes by Yamamura, T., Shin Sumida, Murata, H.

“…This paper describes a design method for a simple structure nonmetallic optical fiber cable, consisting of stranded loose tubes which are made from a high…”
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Low radiation loss branching/combining of optical circuits using high-silica channel waveguides by Shin Sumida, Magari, K., Kawachi, M.

“…A new branching/combining optical circuit structure using high-silica channel waveguides was proposed to reduce radiation loss where branching occurs. In this…”
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Optical coupling between coated fibers in a compact fiber ribbon by Hatano, S., Kokubun, T., Shin Sumida, Katsuyama, Y.

“…Optical coupling between coated optical fibers in a fiber ribbon for use in compact and high-density optical cable is described. By means of a measurement…”
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Efficient operation of a low-impedance Blumlein discharge initiated HF/DF chemical laser by Midorikawa, K., Shin Sumida, Sato, Y., Obara, M., Fujioka, T.

“…A study is described on the efficient operation of an HF/DF chemical laser initiated by a low-impedance Blumlein discharge. Some combinations of 0.33 and…”
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Convenient Formation of 4-Hydroxyalk-2-en-1-one Functionality via A Knoevenagel-type Carbon Chain Elongation Reaction of Aldehyde with 1-Arylsulfinylalkan-2-one by Nokami, Junzo, Kataoka, Kazuhide, Shiraishi, Kazuhiro, Osafune, Masahiro, Hussain, Iqbal, Sumida, Shin-ichi

“…A highly functionalized four-carbon unit, 4-hydroxyalk-2-en-1-one functionality [R2CH(OH)CHCHCOR1], was conveniently prepared by a reaction of an aldehyde…”
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Synthesis of 3-Alkenyl- and 3-Arylalkyl-Δ3-cephems by Use of Terpyridine- or Bipyridine-Ligated Organocopper Species by Tanaka, Hideo, Sumida, Shin-ichi, Torii, Sigeru

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Synthesis of 3-Alkenyl- and 3-Arylalkyl-Δ 3 -cephems by Use of Terpyridine- or Bipyridine-Ligated Organocopper Species by Tanaka, Hideo, Sumida, Shin-ichi, Torii, Sigeru

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Synthesis of 3-alkenyl-Δ2-cephems by copper(I) chloride-promoted alkenylation of 3-trifluoromethylsulfonyloxy-Δ3-cephem with alkenyltributyltins by Tanaka, Hideo, Sumida, Shin-ichi, Torii, Sigeru

“…Synthesis of 3-alkenyl-Δ2-cephems 3 was performed in regioselective manner by copper(I) chloride-promoted alkenylation of…”
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Injection molded plastic multifiber connector realizing physical contact with fiber elasticity by Kobayashi, M., Yoshida, T., Asakawa, S., Iwano, S., Nagase, R., Sumida, S., Mitachi, S.

“…We have proposed and demonstrated a fiber physical contact connector. This connector aligns multiple bare fibers in microholes individually and realizes…”
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