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Naphthoquinone macrolides have attracted considerable synthetic interest due to their unique scaffolds, but there was no completion of total synthesis reported. In this study, genome mining and genetic manipulations were applied to stimulate the production of naphthoquinone macrolides from the deep-sea actinomycete Streptomyces olivaceus SCSIO T05; as a result, new metabolites olimycins A and B (1,...
An efficient strategy for the mechanosynthesis of γ-nitro dicarbonyl esters has been developed. A CaCl 2 -catalyzed Michael reaction, conducted at room temperature, afforded nitroalkenes from malonates in a short reaction time and in high yields. In most cases, polymerized side-reactions are eliminated or minimized.
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