1373440-40-4Relevant academic research and scientific papers
Comparison of tetrahydroisoquinoline (TIQ) thiazole and oxazoline ligands for asymmetric Henry reactions
Pawar, Sunayna S.,Chakka, Sai Kumar,Andersson, Pher G.,Kruger, Hendrik G.,Maguire, Glenn E.M.,Govender, Thavendran
experimental part, p. 23 - 29 (2012/06/01)
A series of novel C1 symmetric thiazole ligands with a tetrahydroisoquinoline (TIQ) backbone were synthesized. Their application in the catalytic asymmetric Henry reaction was investigated with comparison to a corresponding TIQ oxazoline ligand. The Cu(II)-oxazoline complex was more reactive and furnished moderate enantioselectivities up to 61:36 (syn:anti) with 75:25 diastereomeric excess, while the Cu(II)-thiazole complexes had lower selectivity. This is the first example where a direct comparison between an N, N-type thiazole and oxazoline ligands has been studied.
