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Photoinduced Cis-to-Trans Isomerization of Poly(2-ethynylthiophene) Prepared with a [Rh(norbornadiene)Cl] 2 Catalyst. 1 H NMR, UV, and ESR Studies

✍ Scribed by Nakamura, Minoru; Tabata, Masayoshi; Sone, Takeyuki; Mawatari, Yasuteru; Miyasaka, Atsushi


Book ID
126245872
Publisher
American Chemical Society
Year
2002
Tongue
English
Weight
67 KB
Volume
35
Category
Article
ISSN
0024-9297

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Alkylpropiolate having n-hexadecyl moiety in the ester group was stereospecifically polymerized with a [Rh(norbornadiene)Cl] 2 complex catalyst in alcohol to give rise to cis-transoid polyacetylenes in high yields. The unusually facile cis to trans isomerization for the polymer was found to be induc