first enantioselectivesynthesis of cyclic N,S-ketals having tetrasubstituted chiral center through intramolecular cyclization between carbonyl compounds and aminothiols has been developed. The reaction of fluoroalkyl ketones with aminobenzenethiols using a chiral imidazoline−phosphoric acid catalyst afforded products in high yields with high enantioselectivity. The observed enantioselectivity is explained
METHOD FOR CHARACTERIZING AND/OR DETERMINING SAMPLES
申请人:Aqsens Oy
公开号:EP2841943A1
公开(公告)日:2015-03-04
Method for characterizing and/or determining samples
申请人:AQSENS OY
公开号:US20150094234A1
公开(公告)日:2015-04-02
This invention relates to a method for characterizing and/or determining a samples, particularly in the aid of lanthanide(III) ions and ligands including an aromatic structure and 2-5 chelating heteroatoms. The invention relates also to an array for characterizing and/or determining a samples utilizing the properties of lanthanide(III) chelates.
METHOD FOR ANALYZING GAS SAMPLES
申请人:TURUN YLIOPISTO
公开号:US20160258936A1
公开(公告)日:2016-09-08
This invention relates to a method for analyzing gas samples, particularly with the aid of lanthanide(III) ions and ligands. The invention relates also to a kit for analyzing gas samples utilizing the properties of lanthanide(III) chelates.