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자료유형
학술저널
저자정보
Kawanishi, Yuji (Nano-system Research Institute, National Institute of Advanced Industrial Science and Technology) Inoue, Kyoko (Nano-system Research Institute, National Institute of Advanced Industrial Science and Technology) Ohta, Shin-Ichi (Nano-system Research Institute, National Institute of Advanced Industrial Science and Technology) Miyazawa, Akira (Research Center for Compact Chemical System, National Institute of Advanced Industrial Science and Technology)
저널정보
한국광과학회 Rapid communication in photoscience : RCP Rapid communication in photoscience : RCP 제3권 제4호
발행연도
2014.1
수록면
64 - 66 (3page)

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Synthesis of a deuterium-labeled derivative of nitrospirobenzopyran (NSP), one of representative photochromic compounds, has been described. Four deuteriums were successfully introduced on 1-methyl and ${\alpha}$-methyne relative to spiro-carbon in the title compound with more than 95atom%D purity. Main photodegraded products of NSP were two oxindoles in acetonitrile, and additional products were formed in poly(isobutyl-methacrylate) films possibly due to restricted molecular motion in polymer matrix. Quantitative HPLC analysis revealed that partial introduction of deuterium to NSP brought a noticeable isotope effect, recognizable enhancement in photo-resistivity of NSP, i.e.,8.3% in solutions and 29% in polymeric films.

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