The circular dichroism spectra of the cyclodextrin complex with 1,4-benzocyclooctenedione |
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| Institution: | 1. Department of Radiopharmacy, Faculty of Pharmacy, Pharmaceutical Sciences Research Center, Mazandaran University of Medical Sciences, Sari, Iran;2. Student Research Committee, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran;3. Department of Immunology, Genetics and Pathology, Uppsala University, Uppsala, Sweden;1. Faculty of Pharmaceutical Science, University of Iceland, Iceland;2. Department of Ophthalmology, Faculty of Medicine, National University Hospital, University of Iceland, Iceland;3. Augljos Eye Clinic, Reykjavik, Iceland;4. Oculis Pharma, Reykjavik, Iceland |
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| Abstract: | The assignment of the absorption spectra of 1,4-benzocyclooctenedione (1) is reported by measuring the circular dichroism spectra of the β-cyclodextrin complex with 1. It is concluded from the signs of the circular dichroism bands that the first (16.6 × 103−27.4 × 103 cm−1) absorption band is composed of two electronic transitions having perpendicular polarizations with respect to the long axis of 1, the second (27.4 × 103−35.8 × 103 cm−1) absorption band has the transition dipole moment parallel to the long axis of 1 and the third (35.8 × 103−44.3 × 103 cm−1) absorption band is composed of two electronic transitions having perpendicular and parallel polarizations with respect to the long axis of 1. |
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