A photolabile ‘traceless’ linker for solid-phase organic synthesis
作者:James R Horton、Louise M Stamp、Anne Routledge
DOI:10.1016/s0040-4039(00)01644-0
日期:2000.11
A photolabile linker based on a thiohydroxamic acid has been shown to be an efficient ‘traceless’ linker, revealing an aliphatic CH bond on photolysis at 350 nm. Methods for the synthesis, loading and photolytic cleavage of the linker are described.
Studies on a Novel Safety-Catch Linker Cleaved by Pummerer Rearrangement<sup>1</sup>
作者:Chih-Ho Tai、Hsiao-Ching Wu、Wen-Ren Li
DOI:10.1021/ol049120s
日期:2004.8.1
We describe the use of a sulfide linkage as a safety-catch linker. This linker is significantly stable to acidic as well as basic conditions and allows transformations to be carried out on solid supports. Moreover, its cleavage is facile by applying Pummererrearrangement after transforming it to sulfoxide.
Mono- and Dinuclear α-Diimine Nickel(II) and Palladium(II) Complexes in C–S Cross-Coupling
作者:Md Muktadir Talukder、Justin T. Miller、John Michael O. Cue、Chinthaka M. Udamulle、Abhi Bhadran、Michael C. Biewer、Mihaela C. Stefan
DOI:10.1021/acs.organomet.0c00732
日期:2021.1.11
significantly reduced by air and moisture sensitivity, as well as harsh reaction conditions. Herein, we report four highly air- and moisture-stable well-defined mononuclear and bridged dinuclear α-diimine Ni(II) and Pd(II) complexes for C–S cross-coupling. Various ligand frameworks, including acenaphthene- and iminopyridine-based ligands, were employed, and the resulting steric properties of the catalysts were
Direct O-glycosidation of resin bound thioglycosides
作者:Son Hong Nguyen、Adam H. Trotta、John Cao、Timothy J. Straub、Clay S. Bennett
DOI:10.1039/c2ob06883d
日期:——
The application of the safety-catch linker concept to solid-phase glycoconjugate synthesis is described. The process allows for direct conjugation of resin bound glycans to complex aglycones during cleavage. Large excesses of either coupling partner are not required, and even very hindered alcohols serve as acceptors in the reaction.