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2004
Amino acids
U 0400
Nitrogen Heterocycles via Palladium-Catalyzed Carbocyclization. Formal Synof (+)-α-Allokainic Acid. — The Pd-catalyzed carbocyclization of ketoamides
45- 202 thesis
to afford nitrogen heterocycles is investigated. The reaction is found to be highly dependent on the phosphine ligand as well as the presence of coordinating counterions.
The Pd-catalyzed carbocyclization is accomplished without erosion of the stereochemical integrity. The utility of the lactams produced in the cyclization is demonstrated via
the formal synthesis of (+)-α-allokainic acid. — (COOK*, G. R.; SUN, L.; Org. Lett.
6 (2004) 14, 2481-2484; Dep. Chem. Mol. Biol., N. Dak. State Univ., Fargo,
ND 58105, USA; Eng.) — Steudel
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