A novel Cu(OAc)2-catalysed direct C–H bond oxidative acetoxylation and iodination of indoles using PhI(OAc)2 as a terminal oxidant is reported. Adopting this method, a series of 3-iodoindoles and indol-3-ylacetates were obtained in nearly 1:1 ratio yield.
herein for the simple, convenient and efficient oxidation of indoles to isatins using pyridinium chlorochromate with the aid of polyaniline salt catalyst at room temperature or at reflux in dichloroethane. Interestingly, oxidation of 3-alkyl indoles by this procedure gave 3-hydroxy 3-alkyl oxindoles. On the other hand, indol-3-alkanols gave mixtures of isatins and 3-formyl indoles. This is the first example
Peptide and peptide mimetic binding antagonists of polo-like kinase 1 polo box domain and methods of use
申请人:The United States of America, as represented by the Secretary, Department of Health & Human Services
公开号:US10905769B2
公开(公告)日:2021-02-02
The description provides novel compounds that may serve as anticancer therapeutics. The compounds of the description bind to polo-like kinases through the polo-box domain. The peptide derivatives of the description have achieved improved efficacy in biochemical assays against Plk1. Exemplary compounds of the description include macrocyclic peptidomimetics with high affinity and selectivity for polo-like kinases, which may provide the basis for a new genre of anticancer therapeutics. Other exemplary compounds of the description include bi-valent compounds with that bind to polo-like kinases through both kinase domain and polo-box domain simultaneously by incorporating additional moieties that target Plk1 kinase domain, which significantly enhances affinitity relative and may provide the basis for a new genre of anticancer therapeutics. The description also provides methods of use, methods of preparation, compositions, and kits thereof. Further, the description provides a novel method of design and/or synthesis of phosphoryl-derived peptide derivatives useful as therapeutic agents.
A simple and efficient method is described for the oxidation of 7-azaindoles and indoles to 7-azaisatins and isatins using pyridinium chlorochromate-silica gel (PCC-SiO2) with the aid of Lewis acid catalyst aluminium chloride (AlCl3) in dichloroethane. Simplicity of the reaction conditions, easy workup procedure, and good yields are the key features of this protocol.
[EN] PEPTIDE AND PEPTIDE MIMETIC BINDING ANTAGONISTS OF POLO-LIKE KINASE 1 POLO BOX DOMAIN AND METHODS OF USE<br/>[FR] PEPTIDES ET PEPTIDES MIMÉTIQUES ANTAGONISTES DE LIAISON DE DOMAINE POLO-BOX DE KINASE 1 DE TYPE POLO ET PROCÉDÉ D'UTILISATION
申请人:THE US SECRETARY DEPT OF HEALTH & HUMAN SERVICES
公开号:WO2017082924A1
公开(公告)日:2017-05-18
The description provides novel compounds that may serve as anticancer therapeutics. The compounds of the description bind to polo-like kinases through the polo-box domain. The peptide derivatives of the description have achieved improved efficacy in biochemical assays against Plk1. The description also provides methods of use, methods of preparation, compositions, and kits thereof. Further, the description provides a novel method of design and/or synthesis of phosphoryl-derived peptide derivatives useful as therapeutic agents.