Isolation and Photophysical Properties of Di- and Tri-substituted Natural Anthraquinones from Malaysian Morinda citrifolia

• Main Authors: Adnan, Nabila Elyana, Mohd Nasuha, Nur Atiqah, Abdullah, Zanariah, Choo, Yeun Mun, Tajuddin, Hairul Anuar
• Format: Article
• Published: Penerbit Universiti Kebangsaan Malaysia 2018
• Subjects: Q Science (General); QD Chemistry
• Online Access: http://eprints.um.edu.my/22697/; https://doi.org/10.17576/jsm-2018-4705-05

Five di- and tri-substituted natural anthraquinones, i.e. nordamnacanthal (1), damnacanthal (2), rubiadin (3), 1-methoxy-2-methyl-3-hydroxyanthraquinone (4) and 1-hydroxy-3-methoxyanthraquinone (5) were subjected to photophysical studies. The results indicated that steric hindrance and intramolecula...