作者:David J. Brauer、Martin Hingst、Konstantin W. Kottsieper、Christian Liek、Thomas Nickel、Michael Tepper、Othmar Stelzer、William S. Sheldrick
DOI:10.1016/s0022-328x(01)01371-7
日期:2002.2
position to the halogen in the aromatic ring systems. It may be performed in protic and aprotic solvents. The chiral spirocyclic boronato complex 15a is formed upon reaction of 3 with boric acid, while with benzeneboronic acid 15c with a peripheral Lewis acid group is obtained. The Pd-mediated PC coupling reaction of primary phosphines proceeds stepwise, tailor-made chiral secondary (16) and tertiary
[EN] METHOD FOR PROTEIN PURIFICATION AND LABELING BASED ON A CHEMOSELECTIVE REACTION<br/>[FR] PROCÉDÉ POUR LA PURIFICATION DE PROTÉINES ET MARQUAGE BASÉ SUR UNE RÉACTION CHIMIOSÉLECTIVE
申请人:COVALYS BIOSCIENCES AG
公开号:WO2006021553A1
公开(公告)日:2006-03-02
The present invention relates to methods and reagents for labeling a target compound and a chemoselective reaction that simultaneously cleaves and ligates different labels to a target compound. Such reagents are phosphines of formula (1) wherein A is a group that specifically binds to or reacts with a binding partner B comprising a target protein of interest, R1 and R3 are linkers, R2 is an electrophilic functional group, X, Y and Z are aryl or another group, L1 is a label or another group, and R3 is bound either to X or to Z, and azides of formula (2), N3-R4-L2 (2), wherein L2 is a label or another group and R4 is a linker.
USE OF THE STAUDINGER LIGATION IN IN VIVO ASSEMBLY OF A BIOLOGICALLY ACTIVE COMPOUND
申请人:Robillard Marc Stefan
公开号:US20100227798A1
公开(公告)日:2010-09-09
The invention provides methods and tools for the in vivo self-assembly of drugs. This makes it possible to reduce problems associated with the lack of selectivity, reduced solubility and other disadvantages of intact drugs.
A chemoselective Staudinger reduction/sulfur(VI) fluoride exchange cascade has been developed to join two chemical segments through an aryl sulfamate ester (RNH–SO2–OAr) linkage. Aryl fluorosulfate is exploited in this work as the first tetrahedral electrophilic trap for the in situ generated iminophosphorane. Ten examples using azide-containing compounds are presented.