Isolation of 6,13-dipropylpentacene and its tautomerization |
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| Authors: | Takahashi Tamotsu Kashima Ken Li Shi Nakajima Kiyohiko Kanno Ken-ichiro |
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| Institution: | Catalysis Research Center and Graduate School of Life Science, Hokkaido University, and SORST, Japan. tamotsu@cat.hokudai.ac.jp |
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| Abstract: | 6,13-Dipropyl-5,14-dihydropentacene was aromatized by the combination of the formation of pentacene-DDQ adduct and abstraction of DDQ from the pentacene-DDQ adduct with 50 equiv of gamma-terpinene to give 6,13-dipropylpentacene cleanly. It was stable and isolable. In the presence of a catalytic amount of acid, 6,13-dipropylpentacene was isomerized to its tautomer. |
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