Abstract
The highly ligand acceleration effect of spiro bis(isoxazoline) ligand (SPRIX) on the Pd(II)-catalyzed intramolecular aminocarbonylation of alkenyl amine derivatives was realized. Furthermore, the chiral Pd(II)-SPRIX catalyst accomplished the first enantioselective intramolecular aminocarbonylation. The reaction of N-(2,2-dimethyl-pent-4-enyl)-p-toluenesulfonamide in the presence of Pd(II)-SPRIX catalyst and p-benzoquinone in methanol under a carbon monoxide atmosphere afforded [4,4-dimethyl-1-(p-toluene-sulfonyl)-pyrrolidin-2-yl]-acetic acid methyl ester in good yield with moderate enantioselectivity.
Original language | English |
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Pages (from-to) | 711-714 |
Number of pages | 4 |
Journal | Tetrahedron Letters |
Volume | 44 |
Issue number | 4 |
DOIs | |
Publication status | Published - 2003 Jan 20 |
Externally published | Yes |
ASJC Scopus subject areas
- Biochemistry
- Drug Discovery
- Organic Chemistry