Synthesis of two cyclic analogs of glutamic acid: cis- and trans-pyrrolidine-2,4-dicarboxylic acids

DOI: 10.1016/0040-4039(91)80684-X

Source and publish data:

Tetrahedron Letters p. 3049 - 3050 (1991)

Update date:2022-08-03

Topics:

Authors:

Trigalo, Franois

Molliex, Christophe

Champion, Brigitte

Azerad, Robert

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Article abstract of DOI:10.1016/0040-4039(91)80684-X

The tosyl ester 2 of tetraethyl 1-acetamido-4-hydroxybutane- 1,1,3,3-tetracarboxylate gave 4-methylene glutammic acid in 90% yield by refluxing with concentrated HC1. Treatment of 2 with NaOEt, then with refluxing concentrated HC1 gave a 54% yield of cis

Full text of DOI:10.1016/0040-4039(91)80684-X

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