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2005
Amino acids
U 0400
Efficient Synthesis of N-Acyl-α-amino Acids via Polymer Incarcerated PalladiAmidocarbonylation. — The novel polymer-incarcerated Pd complex
14- 188 um-Catalyzed
generated from an amide-containing copolymer and Pd(PPh3)4 is found to be an efficient catalyst for the amidocarbonylation of various aldehydes. Starting from the urea
derivative (V) the hydantoin (VI) is obtained. Using this catalyst leaching of Pd to the
reaction mixture is suppressed. — (AKIYAMA, R.; SAGAE, T.; SUGIURA, M.;
KOBAYASHI*, S.; J. Organomet. Chem. 689 (2004) 23, 3806-3809; Grad. Sch.
Pharm. Sci., Univ. Tokyo, Bunkyo, Tokyo 113, Japan; Eng.) — Jannicke
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