[EN] TARGETED DRUG DELIVERY THROUGH AFFINITY BASED LINKERS<br/>[FR] ADMINISTRATION CIBLÉE D'UN MÉDICAMENT FAISANT APPEL À DES COUPLEURS FONDÉS SUR L'AFFINITÉ
申请人:INVICTUS ONCOLOGY PVT LTD
公开号:WO2015148126A1
公开(公告)日:2015-10-01
The current invention discloses targeted drug delivery conjugates comprising a targeting moiety linked to a drug via a molecule having an affinity for the targeting moiety. Typically, the conjugate comprises a targeting ligand and a molecule of interest, e.g., a therapeutic agent. The targeting ligand and the molecule of interest are linked to each other via an affinity ligand. The affinity ligand is further covalently or non-covalently linked to a drug or therapeutic agent. The drug can be modified to make it more soluble and so that it cleaves from the linking molecule at the target site.
Arylsulfonylacetylenes as Alkynylating Reagents of C sp 2H Bonds Activated with Lithium Bases
作者:José Luis García Ruano、José Alemán、Leyre Marzo、Cuauhtémoc Alvarado、Mariola Tortosa、Sergio Díaz-Tendero、Alberto Fraile
DOI:10.1002/anie.201107821
日期:2012.3.12
strategy for the synthesis of a wide variety of alkynyl derivatives by the reaction of substituted arylsulfonylacetylenes with organolithium species is described (see scheme). The high yields, the simplicity of the experimental procedure, the broad scope of this reaction, and the formation of CspCbonds without using transition metals are the main features of this methodology.
Expanding the Scope of Arylsulfonylacetylenes as Alkynylating Reagents and Mechanistic Insights in the Formation of Csp<sup>2</sup>Csp and Csp<sup>3</sup>Csp Bonds from Organolithiums
作者:José Luis García Ruano、José Alemán、Leyre Marzo、Cuauhtémoc Alvarado、Mariola Tortosa、Sergio Díaz‐Tendero、Alberto Fraile
DOI:10.1002/chem.201200939
日期:2012.7.2
We describe the unexpected behavior of the arylsulfonylacetylenes, which suffer an “anti‐Michael” addition of organolithiums producing their alkynylation under very mild conditions. The broad scope, excellent yields, and simplicity of the experimental procedure are the main features of this methodology. A rational explanation of all these results can be achieved by theoretical calculations, which suggest
Ethynyl Benziodoxolones for the Direct Alkynylation of Heterocycles: Structural Requirement, Improved Procedure for Pyrroles, and Insights into the Mechanism
作者:Jonathan P. Brand、Clara Chevalley、Rosario Scopelliti、Jérôme Waser
DOI:10.1002/chem.201200200
日期:2012.4.27
accelerating effect of a methyl substituent in both the 3‐ and 6‐position of triisopropylsilylethynyl‐1,2‐benziodoxol‐3(1H)‐one (TIPS‐EBX) on the reaction rate was observed. Competitive experiments between substrates of different nucleophilicity, deuterium labeling experiments, as well as the regioselectivity observed are all in agreement with electrophilic aromatic substitution. Gold(III) 2‐pyridinecarboxylate
Highly regioselective synthesis of 2,4,5-(hetero)aryl substituted oxazoles by intermolecular [3+2]-cycloaddition of unsymmetrical internal alkynes
作者:Elli Chatzopoulou、Paul W. Davies
DOI:10.1039/c3cc45410j
日期:——
A robust N-nucleophilic 1,3-N,O-dipole equivalent reacts with unsymmetrical internal alkynes under gold catalysis. Conjugation from a remote nitrogen lone pair enables and controls this convergent and highly regioselective process.