Zobrazeno 1 - 10
of 92
pro vyhledávání: '"Tetsutaro Igarashi"'
Publikováno v:
Polymer Journal. 45:133-136
When O-(4-acyloxyanilinocarbonylmethyl)-4-tert-butylcalix[8]arene films were irradiated for 60 min with 254-nm UV light from a low-pressure mercury lamp, the calixarene derivative 1 underwent a highly selective photo-Fries rearrangement in the film s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87bac87616e3f2920c7c13c03675b3a2
https://doi.org/10.1038/pj.2012.186
https://doi.org/10.1038/pj.2012.186
Publikováno v:
Polymer Journal. 44:1022-1029
Analysis of photoproducts derived from 1-(arylmethyloxy) anthracene initiator 1 as well as polymer end groups demonstrated that the arylmethyloxyl radical and arylmethyl carbocation are involved in the initiation steps of St and CHO polymerization re
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::1dad32233e6d84fcdc1fe9c6a8ad1773
https://doi.org/10.1038/pj.2012.57
https://doi.org/10.1038/pj.2012.57
Publikováno v:
Polymer Journal. 42:670-675
When poly(methyl methacrylate) (PMMA) film doped with (Z)-N-acetyl-α-dehydroarylalanine naphthyl esters ((Z)-1) was irradiated with unfiltered light from a high-pressure mercury lamp, (Z)-1 underwent heterolytic cleavage of the ester bond preferenti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d69a428d5c228f2732341078beb1a8f
https://doi.org/10.1038/pj.2010.51
https://doi.org/10.1038/pj.2010.51
Publikováno v:
Polymer Journal. 41:709-714
An investigation was undertaken to gain understanding of the type of bond cleavage (heterolysis versus homolysis) of 1-(methoxy-substituted arylmethyloxy)-9,10-anthraquinones (1) as bichromophoric photoinitiators of styrene (St) and cyclohexene oxide
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::04645e8a05381d9e7923d2d2709100db
https://doi.org/10.1295/polymj.pj2009066
https://doi.org/10.1295/polymj.pj2009066
Publikováno v:
Tetrahedron. 63:11267-11281
The alkyl, aryl, and acyl substituent effects on the photoinduced electron transfer-initiated cyclization reaction of the title compounds (1) were investigated in polar solvents from mechanistic and synthetic points of view. The irradiation of (Z)-1
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::17bb3e0a202e7655a5401d8beb8e0d9e
https://doi.org/10.1016/j.tet.2007.08.089
https://doi.org/10.1016/j.tet.2007.08.089
Autor:
Taisuke Matsumoto, Kei Maekawa, Tetsutaro Igarashi, Kanji Kubo, Haruo Watanabe, Tadamitsu Sakurai, Yuji Sasaki
Publikováno v:
Tetrahedron Letters. 48:4765-4770
The irradiation of the title compounds [( Z )- 1 ] having ( S )-(+)- sec -butyl, (−)-mentyl and related chiral auxiliaries in methanol and 1,2-dichloroethane containing 2-(diethylamino)ethanol afforded chiral auxiliary-substituted (4 S ,5 S )-, (4
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f5d47bca7ec1392deb911652ef22ff61
https://doi.org/10.1016/j.tetlet.2007.04.134
https://doi.org/10.1016/j.tetlet.2007.04.134
Autor:
Koji Yamada, Tetsutaro Igarashi, Kenta Tanaka, Tadamitsu Sakurai, Azusa Wakabayashi, Masaru Sato
Publikováno v:
Journal of Photochemistry and Photobiology A: Chemistry. 183:205-211
It was found that 1-naphthaldehyde O -aroyloximes ( 1 ) preferentially adopting the anti -configuration undergo efficient triplet-sensitized reactions to give 1-cyanonaphthalene and monosubstituted benzenes as unimolecular radical elmination products
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a00ebb4708f22220d14efacf3a70f50f
https://doi.org/10.1016/j.jphotochem.2006.03.019
https://doi.org/10.1016/j.jphotochem.2006.03.019
Publikováno v:
Tetrahedron. 61:11211-11224
Photoinduced electron transfer reactions of the title N-acyl-α-dehydronaphthylalaninamides [ (Z)-1 ] with (S)-1-phenylethylamino and (S)-alaninamide auxiliary groups in methanol containing a tertiary amine were shown to form (R,S)- and (S,S)-3,4-dih
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::eaaba3ea903f7729fd76993fa38fd964
https://doi.org/10.1016/j.tet.2005.09.042
https://doi.org/10.1016/j.tet.2005.09.042
Publikováno v:
Polymer Journal. 37:776-781
Through a UV spectral analysis of the photorearrangement reactions in hydroxy- and methoxy-substituted diarylnitrones, it was found that the maximum wavelength of the first absorption band in these nitrone derivatives solubilized into poly(methyl met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f9ab85c0d790114386717b5d6f466b94
https://doi.org/10.1295/polymj.37.776
https://doi.org/10.1295/polymj.37.776
Publikováno v:
Polymer Journal. 37:754-758
An investigation was undertaken to achieve the graft copolymerization of styrene (St) in the presence of the 9-anthrylmethyl methacrylate/methyl methacrylate copolymer designed as a macromolecular photoinitiator. UV and 1H NMR spectral analyses sugge
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::91bd21600092388950ca55e24c77fd92
https://doi.org/10.1295/polymj.37.754
https://doi.org/10.1295/polymj.37.754