(2R,3S,4S)-.alpha.-(carboxycyclopropyl)glycine

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

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C07C10120

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active

050684124

ABSTRACT:
(2R,3S,4S)-.alpha.-(carboxycyclopropyl)glycine of the formula (1) and salts thereof are disclosed. ##STR1## The compound (1) exhibits most potent depolarizing activities among the known NMDA agonists and will be a useful tool to investigate various neuronal functions related to the excitatory amino acid receptors.

REFERENCES:
patent: 4959493 (1990-09-01), Ohfune
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Shinozaki et al.: "A Conformationally Restricted Analogue of L-Glutamate, the (2S,3R,4S)Isomer of L-.alpha.-(Carboxycyclopropyl)Glycine . . . ", Brain Research 480 (1989) 355-359.
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Article in Tetrahedron Letters, vol. 29, No. 10, pp. 1181-1184, 1988 entitled, "Synthesis of Trans- and Cis-.alpha.-(Carboxycyclopropyl)Glycines, Novel Neuroinhibitory Amino Acids as L-Glutamate . . . ".
Article in Tetrahedron Letters, vol. 26, No. 1, pp. 83-84, 1985 entitled, "The Palladium (II)-Assisted Syntheses of (f (+)-Trans-.alpha.-(Carboxycyclopropyl)Glycine, Two Bioactive . . . ".

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