Convergent Synthesis of the Central Heterocyclic Domain of Micrococcin P1<i />
作者:Mark Bagley、Eleanor Merritt
DOI:10.1055/s-2007-973870
日期:2007.4
The heterocyclic domain of micrococcin P1 has been prepared from N-Boc-(2S,3R)-threonine in 15 steps and 9% overall yield utilising a microwave-assisted enamine formation in mono- or multimode instruments, Bohlmann-Rahtz pyridine synthesis to form the 2,3,6-trisubstituted pyridine motif, and two-directional elaboration of the 3- and 6-thiazole substituents.
Synthesis of Plantazolicin Analogues Enables Dissection of Ligand Binding Interactions of a Highly Selective Methyltransferase
作者:Abhishek Sharma、Patricia M. B. Saint-Vincent、Douglas A. Mitchell
DOI:10.1021/ol402444a
日期:2013.10.4
A convergent strategy for the synthesis of truncated analogues of plantazolicin (PZN), a member of the thiazole/oxazole-modifiedmicrocin (TOMM) class of natural products, has been developed. These N-terminal mono-, tri-, and pentazole substructures of PZN were utilized to probe the substrate requirements and thermodynamic ligand binding parameters of an unusually selective PZN methyltransferase (BamL)
Total synthesis of micrococcin P1 and thiocillin I enabled by Mo(<scp>vi</scp>) catalyst
作者:Siddhartha Akasapu、Aaron B. Hinds、Wyatt C. Powell、Maciej A. Walczak
DOI:10.1039/c8sc04885a
日期:——
Thiopeptides are a class of potent antibiotics with promising therapeutic potential. We developed a novel Mo(VI)-oxide/picolinic acid catalyst for the cyclodehydration of cysteine peptides to form thiazoline heterocycles. With this powerful tool in hand, we completed the total syntheses of two representative thiopeptide antibiotics: micrococcin P1 and thiocillin I. These two concise syntheses (15 steps
硫肽是一类具有良好治疗潜力的强效抗生素。我们开发了一种新型 Mo( VI )-氧化物/吡啶甲酸催化剂,用于半胱氨酸肽环脱水形成噻唑啉杂环。借助这个强大的工具,我们完成了两种具有代表性的硫肽抗生素的全合成:微球菌素 P1 和硫西林 I。这两种简洁的合成(15 个步骤,最长的线性序列)采用 C-H 激活策略来安装三取代的吡啶核心和噻唑基团。通过针对一系列革兰氏阳性细菌的测量,该合成材料显示出有前景的抗菌特性。
Structure-based design of agents targeting the bacterial ribosome
Rational structure-based drug design has been applied to the antibiotic thiostrepton, in an attempt to overcome some of its limitations. The identification of a proposed binding fragment allowed construction of a number of key fragments, which were derivatised to generate a library of potential antibiotics. These were then evaluated to determine their ability to bind to the L11 binding domain of the prokaryotic ribosome and inhibit bacterial protein translation. (C) 200 Elsevier Ltd. All rights reserved.
A Biomimetically Inspired Synthesis of the Dehydropiperidine Domain of Thiostrepton We thank Drs. D. H. Huang and L. Pasternack, G. Suizdak, and R. Chadja for NMR spectroscopic, mass spectrometric, and X-ray crystallographic assistance, respectively. Financial support for this work was provided by The Skaggs Institute for Chemical Biology, the National Institutes of Health (USA), fellowships from The Academy of Finland (M.N.), The Skaggs Institute for Research (M.Z.), and Bayer AG (S.B.), and grants from Abbott, Amgen, Array Biopharma, Boehringer-Ingelheim, Glaxo, Hoffmann-LaRoche, DuPont, Merck, Novartis, Pfizer, and Schering Plough.
作者:K. C. Nicolaou、Marta Nevalainen、Brian S. Safina、Mark Zak、Stephan Bulat