作者:George R. Pettit、Yoshiaki Kamano、Cherry L. Herald、Machiko Tozawa
DOI:10.1139/v85-205
日期:1985.6.1
specimens of the marine bryozoan Bugulaneritina were found to contain in addition to bryostatin 4 (3a) the new bryostatins 5–7 (3b–d) as major antineoplastic components effective against the murine P388 lymphocytic leukemia. A total of 50 kg of wet B. neritina from the Northeastern Gulf of Mexico led to bryostatins 5–7 in 14.1, 61.9, and 31.2 mg yields respectively. The structural assignments for each