New triterpenes from the bark of Canarium asperum

• Main Authors: Ragasa, Consolacion Y., Torres, Oscar B., Raga, Dennis D., Mandia, Emelina H., Don, Ming Jaw, Shen, Chien Chang
• Format: text
• Published: Animo Repository 2014
• Subjects: Canarium > Analysis; Chemistry
• Online Access: https://animorepository.dlsu.edu.ph/faculty_research/1977
• Institution: De La Salle University

Chemical investigation of the dichloromethane extract of the resin from the bark of Canarium asperum led to the isolation of a mixture of new triterpene diastereomers, asperol a (1a) and asperol b (1b) in a 3:2 ratio. The structures of 1a and 1b were elucidated by extensive 1D and 2D NMR spectroscop...