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Synlett 1992; 1992(9): 708
DOI: 10.1055/s-1992-21461
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An Improved Synthesis of the Phosphonic Acid Analog of Tryptophan

Roland S. Rogers* , Michael K. Stern
  • *Chemical Sciences Department, Monsanto Corporate Research, Monsanto Company, 800 N. Lindbergh Blvd., St. Louis, Missouri 63167, USA
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Publication Date:
08 March 2002 (online)

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An efficient and short synthesis of the phosphonic acid analog of tryptophan {[1-amino-2-(3-indolyl)]ethylphosphonic acid, 1} from indole-3-acetic acid which utilizes a novel zinc-copper couple reduction of an oxime is described.

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