Total synthesis of didemnimide A and B

Total synthesis of didemnimide A and B Didemnimides A−D:  Novel, Predator-Deterrent Alkaloids from the Caribbean Mangrove Ascidian Didemnum conchyliatum A Cyclized Didemnimide Alkaloid from the Caribbean Ascidian Didemnum conchyliatum Chemical defense of the Caribbean ascidian Didemnum conchyliatum Didemnidines A and B, Indole Spermidine Alkaloids from the New Zealand Ascidian<i>Didemnum</i>sp. Didemnidines A and B, Indole Spermidine Alkaloids from the New Zealand Ascidian<i>Didemnum</i>sp. Ascididemin, a novel pentacyclic aromatic alkaloid with potent antileukemic activity from the okinawan tunicate didemnum sp. Seven new didemnins from the marine tunicate Trididemnum solidum Nonsymmetrical β-Carboline Dimers from an Ascidian, <i>Didemnum</i> sp. Didemnolines A-D, new N9-substituted β-carbolines from the marine ascidian Didemnum sp.