Incrassamarin A–D: Four new 4-substituted coumarins from Calophyllum incrassatum and their biological activities

• Main Authors: Aminudin, Nurul Iman, Ahmad, Farediah, Bakhtiar, M. Taher, Mohamed Zulkifli, Razauden
• Format: Article
• Language: English; English
• Published: Elsevier 2016
• Subjects: RS Pharmacy and materia medica
• Online Access: http://irep.iium.edu.my/50956/2/Incrassamarin_A%E2%80%93D_Four_new_4-substituted_coumarins__from.pdf; http://irep.iium.edu.my/50956/7/50956_Incrassamarin%20A%E2%80%93D_WoS.pdf; http://irep.iium.edu.my/50956/; http://www.sciencedirect.com/science/article/pii/S1874390016300714
• Institution: Universiti Islam Antarabangsa Malaysia

Four new 4-substituted coumarins, incrassamarin A (1), B (2), C (3) and D (4) with (7S,8S)-7,8-dihydro-5- hydroxy-7,8-dimethyl-4-propyl-2H,6H-benzo[1,2-b;5,4-b’]dipyran-2,6-dione (5), friedelin, carpachromene, amentoflavone, epiafzelechin and L-quercitrin were isolated from the barks and leaves of...