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The bacillamide 1 is a new algaecide from the marine bacterium Bacillus sp.SY-1.Its analogues bacillamide 3 and alkaloid 4 were firstly synthesized effectively from D-alanine.The key step was a coupling reaction via the mixed anhydride.All structures were confirmed by ~1H NMR and ~(13)C NMR.The final compounds were confirmed by~1lH NMR,~(13)C NMR and HRMS and the results are consistent with the reported natural products.
The bacillamide 1 is a new algaecide from the marine bacterium Bacillus sp. SY-1.Its analogues bacillamide 3 and alkaloid 4 were either originally synthesized effectively from D-alanine. The key step was a coupling reaction via the mixed anhydride. by ~ 1H NMR and ~ (13) C NMR. The final compounds were confirmed by ~ 1 H NMR, ~ (13) C NMR and HRMS and the results are consistent with the reported natural products.