Two New isoquinoline alkaloids from the bark of Alphonsea cylindrica King and their antioxidant activity

Two new isoquinoline alkaloids, iraqiine (1) and kareemine (2), along with five known alkaloids, muniranine (3), kinabaline (4), O-methylmoschatoline (5), atherospermidine (6) and N-methylouregidione (7), were purified from the dichloromethane crude extract of Alphonsea cylindrica bark. The structur...

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Main Authors: Obaid Aldulaimi, Ahmed Kareem, Abdul Azziz, Saripah Salbiah Syed, Bakri, Yuhanis Mhd, Nafiah, Mohd Azlan, Aowda, Saadon Abdulla, Awang, Khalijah, Litaudon, Marc
Format: Article
Published: Elsevier 2019
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Online Access:http://eprints.um.edu.my/20016/
https://doi.org/10.1016/j.phytol.2018.11.022
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Institution: Universiti Malaya