Aplysepine (1), the first 1,4-benzodiazepine alkaloid of marine origin, was isolated from the sea hare Aplysia kurodai. The gross structure of 1 was elucidated on the basis of the spectral data. © 1993.
Ojika, M., Yoshida, T., & Yamada, K. (1993). Aplysepine, a novel 1,4-benzodiazepine alkaloid from the sea hare Aplysia kurodai. Tetrahedron Letters, 34(33), 5307–5308. https://doi.org/10.1016/S0040-4039(00)73981-5