@article{f7fb32be91b04236ac0c306ebf32d2dc,
title = "Calyciphyllines E and F, novel hepta- and pentacyclic alkaloids from Daphniphyllum calycinum",
abstract = "Two new Daphniphyllum alkaloids, calyciphyllines E (1) and F (2), have been isolated from the leaves of Daphniphyllum calycinum (Daphniphyllaceae), and the structures and relative stereochemistry were elucidated on the basis of spectroscopic data.",
keywords = "Calyciphylline, Daphniphyllum alkaloid, Daphniphyllum calycinum",
author = "Shizuka Saito and Takaaki Kubota and Jun'ichi Kobayashi",
note = "Funding Information: The authors thank Professor H. Zhang, the Fudan University, for help with plant collection, Ms. S. Oka, Center for Instrumental Analysis, the Hokkaido University, for measurements of ESIMS. This work was partly supported by research fellowship for young scientists from the Japan Society for the Promotion of Science (to S.S.), Mitsubishi Chemical Corporation Fund, and a Grant-in-Aid for Scientific Research from the Ministry of Education, Science, Sports and Culture of Japan.",
year = "2007",
month = may,
day = "28",
doi = "10.1016/j.tetlet.2007.03.156",
language = "English",
volume = "48",
pages = "3809--3812",
journal = "Tetrahedron Letters",
issn = "0040-4039",
publisher = "Elsevier Limited",
number = "22",
}