Synthesis of symmetrical amino and aminomethyl derivatives of Tröger's base via Pd-catalyzed C–C and C–N bond formation
作者:Delphine Didier、Sergey Sergeyev
DOI:10.1016/j.tet.2007.02.032
日期:2007.4
In this paper, we report the synthesis of amino and aminomethyl derivatives of Tröger's base (±)-1 and (±)-2. The key steps in the synthesis of (±)-1 and (±)-2 are Pd-catalyzed amination and cyanation, respectively, of the easily accessible dihalo derivatives (±)-3. These compounds are important intermediates in the synthesis of new ligands and building blocks for H-bonded supramolecular architectures
Abstract Eleven different derivatives of Tröger’s base were synthesized and successfully resolved by (recycling) HPLC on chiral stationary (S,S)-Whelk-O1 or CHIRALPAK IA phase on a (semi-) preparative scale or synthesized in enantiomerically pure form. The absoluteconfiguration was determined by X-ray crystal structure analysis, comparison of the quantum chemically calculated circular dichroism spectra