Synthesis and novel reactivities of several 1,9-dithiaalkane-bridged thianthrene 10-oxides |
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| Authors: | Shin Suwabe |
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| Institution: | Department of Material Systems Engineering and Life Science, Faculty of Engineering, University of Toyama, 3190 Gofuku, Toyama 930-8555, Japan |
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| Abstract: | The irreversible photolytic axial to equatorial change (3ax-4ax→3eq-4eq) and the irreversible thermal equatorial to axial change (3eq-4eq→3ax-4ax) of the S-O configuration were first observed. Meanwhile, the shorter 1,9-bridged derivative (2ax) exhibited the interesting photolytic degradation, affording 1,9-dithiadibenzothiophene (5) by the elimination of SO and ethylene. |
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| Keywords: | Intramolecular cyclization Thianthrene Pyramidal inversion Photo reaction Thermal reaction |
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