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Communication | Special issue | Vol 56, No. 1-2, 2002, pp.105-111
Published online, 1st January, 1970
DOI: 10.3987/COM-01-S(K)54
■ Formal Synthesis of FPA, a Kainoid Amino Acid, via Ketyl Radical Cyclization

Mitsuru Kamabe, Takayuki Miyazaki, Kimiko Hashimoto,* and Haruhisa Shirahama*

*School of Science, Kwansei Gakuin University, Uegahara, Nishinomiya 662-8501, Japan

Abstract

The formal synthesis of FPA, a kainoid amino acid, was performed through the SmI2 induced ketyl radical cyclization as the key step. The stereoselectivity was inverted in the presence or absence of the proton source.