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[摘要]:Polyketides are secondary metabolites biosynthesized by the iterative Claisen condensation of malonate units. Despite utilizing only a small set of biochemical transformations, the polyketide biosynthetic machinery yields products Of Striking structural complexity and diversity. Recently, a new polyketicle alkylation pathway was characterized that allows access to "beta-branched" structures. This Highlight will describe this alkylation sequence, with special emphasis on its parallels to isoprenoid biosynthesis from primary metabolism and the scope of structures accessible via this pathway. |
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