Biscarpamontamines A and B, an Aspidosperma−Iboga Bisindole Alkaloid and an Aspidosperma−Aspidosperma Bisindole Alkaloid, from Tabernaemontana sphaerocarpa

• Main Authors: Kazumasa Zaima, -, Tomoko Hirata, -, Takahiro Hosoya, -, Yusuke Hirasawa, -, Koichiro Koyama, -, Abdul Rahman, -, Idha Kusumawati, -, Noor Cholies Zaini, -, Motoo Shiro, -, Hiroshi Morita, -
• Format: Article PeerReviewed
• Language: English; English; English
• Published: American Chemical Society 2009
• Subjects: R Medicine; RS Pharmacy and materia medica; RS1-441 Pharmacy and materia medica; RS200-201 Pharmaceutical dosage forms
• Online Access: https://repository.unair.ac.id/117004/1/C-20%20Artikel.pdf; https://repository.unair.ac.id/117004/7/C-20%20Kualitas%20Karil.pdf; https://repository.unair.ac.id/117004/3/C-20%20Similarity.pdf; https://repository.unair.ac.id/117004/; https://pubs.acs.org/doi/10.1021/np900365r; https://doi.org/10.1021/np900365r
• Institution: Universitas Airlangga

Two new bisindole alkaloids, biscarpamontamine A (1), possessing an aspidosperma−iboga-type skeleton, and biscarpamontamine B (2), having an aspidosperma−aspidosperma-type skeleton, were isolated from stems of Tabernaemontana sphaerocarpa, and their structures were elucidated on the basis of spectro...