Christopher J Gartshore1, Mariam N Salib1, August A Renshaw1, Tadeusz F Molinski2. 1. Department of Chemistry and Biochemistry, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, 9500 Gilman Drive MC0358, La Jolla, San Diego, CA 92093, United States. 2. Department of Chemistry and Biochemistry, Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, 9500 Gilman Drive MC0358, La Jolla, San Diego, CA 92093, United States; Skaggs School of Pharmacy and Pharmaceutical Sciences, University of California, 9500 Gilman Drive MC0358, La Jolla, San Diego, CA 92093, United States. Electronic address: tmolinski@ucsd.edu.
Abstract
Bastadin-6-34-O-sulfate ester (8) was isolated from methanol extracts of Ianthella basta. The structure of 8 was characterized by analysis of MS and NMR data, and conversion through acid hydrolysis, to the parent compound, bastadin-6, which was identical by HPLC, MS and NMR with an authentic sample. An improved procedure for procurement of pure samples of bastadins-4 (4), -5 (5) and -6 (6) is described.
Bastadin-6-34-O-sulfate ester (8) was isolated from n class="Chemical">methanol extracts of Ianthella basta. The structure of 8 was characterized by analysis of MS and NMR data, and conversion through acid hydrolysis, to the parent compound, bastadin-6, which was identical by HPLC, MS and NMR with an authentic sample. An improved procedure for procurement of pure samples of bastadins-4 (4), -5 (5) and -6 (6) is described.
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