Isolation and photophysical properties of Di- and Tri-substituted natural anthraquinones from Malaysian Morinda citrifolia

• Main Authors: Nabila Elyana Adnan,, Nur Atiqah Mohd Nasuha,, Zanariah Abdullah,, Choo, Yeun-Mun, Hairul Anuar Tajuddin,
• Format: Article
• Language: English
• Published: Penerbit Universiti Kebangsaan Malaysia 2018
• Online Access: http://journalarticle.ukm.my/12078/1/05%20Nabila%20Elyana%20Adnan.pdf; http://journalarticle.ukm.my/12078/; http://www.ukm.my/jsm/english_journals/vol47num5_2018/contentsVol47num5_2018.html

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...