Author(s): Jimnez JI, Goetz G, Mau CM, Yoshida WY, Scheuer PJ,
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Abstract 'Upenamide (1) represents a new class of macrocyclic marine alkaloid possessing both spirooxaquinolizidinone and hemiaminal ring systems. It was isolated from the Indonesian sponge Echinochalina sp. The gross structure of 1 was elucidated by spectroscopic methods and accurate mass measurements. A suggestion is made as to its biogenetic origin.
This article was published in J Org Chem
and referenced in Journal of Addiction Research & Therapy