Zobrazeno 1 - 10 of 14 pro vyhledávání: '"YASUFUMI, KAWAMURA"'
1
理科指導の実践力を高める教員養成のメソッドについての一考察－川村メソッド－
Autor: YASUFUMI, KAWAMURA
Publikováno v: 東京理科大学教職教育研究. 1:101-110
これまでから、理科授業においては、理科実験の重要性が指摘されてきた1）。今後は、さらに、観察や実験から得られた結果を活用する能力の育成がめざされている。しかし、これまで
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=jairo_______::37c22ece68d153ba5dfdde8ec4d1255b
http://id.nii.ac.jp/1275/00002042/
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6
Fe3+-Catalyzed transacetalization of 2-alkoxytetrahydrofurans with alcohols
Autor: Takahiro Hosokawa, Yasufumi Kawamura, Sei Matsunaga, Daisetsu Yamanaka
Publikováno v: Tetrahedron Letters. 49:53-56
The transacetalization of 2-alkoxy-4-benzylidenetetrahydrofurans with alcohols proceeds smoothly with the aid of Fe(ClO4)3 catalyst. The catalyst reactivity is ordered as Fe(ClO4)3 > Zn(ClO4)2 > Mg(ClO4)2. The present transacetalization provides an e
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5daf9736eb1ca1d31abc2ce6dc82138c
https://doi.org/10.1016/j.tetlet.2007.11.018
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7
Palladium(II)-Catalyzed Synthesis of 2-Alkoxytetrahydrofurans from Allylic Alcohols and Vinyl Ethers: Stereospecificity and Catalysis
Autor: Takuro Imai, Yasufumi Kawamura, Takahiro Hosokawa
Publikováno v: Synlett. 2006:3110-3114
The reaction of (E)- or (Z)-cinnamyl alcohol and ethyl vinyl ether with a catalyst consisting of Pd(OAc) 2 , Cu(OAc) 2 , and catechol (1:1:2) under O 2 gives a good yield of(Z)- or (E)-4-benzylidene-2-ethoxytetrahydrofuran, respectively. Similarly, 2
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f35a2ba76e72c1870aa9aeeef7616607
https://doi.org/10.1055/s-2006-951513
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8
Palladium(II)-Catalyzed Oxidative Transformation of Allylic Alcohols and Vinyl Ethers into 2-Alkoxytetrahydrofurans: Catechol as an Activator of Catalyst
Autor: Koichi Koga, Takahiro Hosokawa, Yasufumi Kawamura, Kimi Minami
Publikováno v: Organic Letters. 7:5689-5692
[chemical reaction: see text]. A highly effective synthesis of 2-alkoxytetrahydrofurans from allylic alcohols and vinyl ethers was achieved by using catalytic amounts of Pd(OAc)2, Cu(OAc)2, and catechol (1:1:2) under O2. The use of catechol as an act
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d4eafef688952247f73d725dda907da0
https://doi.org/10.1021/ol052377l
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9
An Efficient Synthesis of Cyclic β-Amino Acid Derivatives as β-Turn Mimetics
Autor: Mitsuru Ohkubo, Takahiro Hosokawa, Akinori Nishi, Toshio Yamanaka, Masayuki Kato, Yasufumi Kawamura
Publikováno v: Synlett. :631-634
Seven-, eight-, and nine-membered cyclic β-amino acids, precursors of platelet aggregation inhibitors, were synthesized for the first time starting from N-alkenyl amines and ethyl acrylate via ring-closing metathesis (RCM) as the key reaction. Synth
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5823abd34aa4dbeefa6759ec65863d72
https://doi.org/10.1055/s-2005-863719
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10
Development and Application of a LCA Education Program for Energy and Environmental Education Targeting High School Students
Autor: Susumu Tohno, Hisao Taoka, Yoshimi Iwabuchi, Yuko Murakami, Yasufumi Kawamura, Mikio Kasahara
Publikováno v: Waste Management Research. 15:149-158
様々なエネルギー・環境問題を解決するためには, エネルギー。環境問題を正しく理解し, エネルギー消費, 環境負荷および廃棄物の量を削減し, 資源リサイクルなどの環境配慮行動を普
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a4fafa0e6a7c03748bfb1b704f2d9c02
https://doi.org/10.3985/wmr.15.149
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