Cupressuflavone,a new biflavonyl pigment |
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| Affiliation: | 1. Department of Agricultural Biotechnology, Assam Agricultural University, Jorhat 785013, Assam, India;2. Regional Medical Research Centre (ICMR), Chandrasekharpur, Nandankanan Road, Bhubaneswar 751023, Odisha, India;3. School of Biological Sciences, College of Life Science & Medicine, University of Aberdeen, Aberdeen AB24 3UU, Scotland, UK;1. Department of Urology, Johns Hopkins School of Medicine, Baltimore, MD, USA;2. Department of Pathology, Johns Hopkins School of Medicine, Baltimore, MD, USA;3. Department of Urology, UT MD Anderson Cancer Center, Houston, TX, USA;4. Department of Pathology, University of Michigan, Ann Arbor, MI, USA;5. Department of Urology, University of Michigan, Ann Arbor, MI, USA;6. Department of Urology, Northwestern University, Chicago, IL, USA;7. Department of Oncology, Johns Hopkins School of Medicine, Baltimore, MD, USA;1. Dipartimento di Scienze del Farmaco e della Salute, University of Catania, Viale Andrea Doria, 6 - 95125 Catania, Italy;2. STMicroelectronics s.r.l., Stradale Primosole, 50 - 95121 Catania, Italy;3. Dipartimento di Scienze Chimiche, Biologiche, Farmaceutiche ed Ambientali, University of Messina, Viale Ferdinando Stagno d’Alcontres, 31 - 98168 Messina, Italy;1. University of Dar es Salaam, Department of Geology, P.O. Box 35052, Dar es Salaam, Tanzania;2. Mining Commission of Tanzania, P.O. Box 2292, Dodoma, Tanzania;1. Guizhou Engineering Center for Innovative Traditional Chinese Medicine and Ethnic Medicine, College of Pharmacy, Guizhou University, Guiyang 550025, China;2. Key Laboratory for Asymmetric Synthesis & Chirotechnology of Sichuan Province, Chengdu Institute of Organic Chemistry, Chinese Academy of Sciences, Chengdu 610041, China |
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| Abstract: | The leaves of Cupressus torulosa and C. sempervirens have been found to contain a new member of the biflavonyl group of natural colouring matters now named “cupressuflavone”. On the basis of colour reactions, UV, IR, NMR spectral data and degradation, its structure has been deduced as 8,8″-biapigeninyl and confirmed by comparison of the compound and its derivatives with synthetic samples. |
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