WebFeb 1, 2009 · The preparation of the C1-C11 subunit of phoslactomycins, and a formal synthesis of phoslactomycin B, were achieved by a convergent strategy involving the chelation-controlled addition of an alkynyl Grignard reagent to an alpha-alkoxy ketone. WebJun 1, 2011 · The native loading module of the erythromycin PKS or spinosyn PKS, was replaced with the Ave PKS loading module, resulting in the production of novel erythromycin or spinosyn analogues. 14, 15 Phoslactomycin B (PN, Fig. 1 A, 3) is one of the few polyketide natural products that uses CHC-CoA as the starter unit, 16, 17 which means the loading ...

Modular polyketide synthases and cis-double bond formation ...

WebMar 23, 2004 · In an STKE Perspective, Shen describes the biosynthesis of the phosphatase inhibitor phoslactomycin B (PLM B), which is a polyketide. Knowledge of the gene cluster for biosynthesis of phoslactomycins allowed bacteria to be engineered to produce the single analog, PLM B, in high amounts with high purity. WebAug 5, 2013 · Phoslactomycins [10] [11] [12] [13] and leustroducsins [14,15] are polyketides that possess α,β-unsaturated δ-lactone and cyclohexane moieties at both ends, which are tethered through a highly... dvrpc housing

Enhancement and Selective Production of …

WebA Convergent Approach toward the C1−C11 Subunit of Phoslactomycins and Formal Synthesis of Phoslactomycin B. Organic Letters, 11(4), 935–938. doi:10.1021/ol8029142 . Web(+)-Phoslactomycin B was synthesized by a highly enantio- and stereoselective approach involving asymmetric pentenylation, Suzuki−Miyaura coupling, ring-closing metathesis, … WebJun 12, 2009 · The active substance was identified as deamino-hydroxy-phoslactomycin B (HPLM) by mass spectrometry, and synthesized HPLM also induced the differentiation of HL-60 cells. HPLM showed greater inhibition of protein phosphatase 2A (PP2A) activity than phoslactomycin B (PLMB); however, PLMB and okadaic acid did not induce … dvrpc county map