Synthesis of the four d,l-pairs of 2-amino- 3-phenylnorbornane-2-carboxylic acids II. The use of 5(4H)-oxazolones as dienophiles
- Cativiela, C. 1
- Díaz de Villegas, M.D. 1
- Mayoral, J.A. 1
- Avenoza, A. 2
- Peregrina, J.M. 2
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1
Instituto de Nanociencia y Materiales de Aragón
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2
Universidad de La Rioja
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ISSN: 0040-4020
Any de publicació: 1993
Volum: 49
Número: 3
Pàgines: 677-684
Tipus: Article
Altres publicacions en: Tetrahedron
Resum
The Diels-Alder reaction between both geometric isomers (Z)- or (E)-2-phenyl-4-benzylidene-5(4H)-oxazolone and cyclopentadiene is studied. The cycloadducts are converted into the aminoacids through simple reactions allowing the synthesis of the four d,l-pairs of 2-amino-3-phenylnorbornane-2-carboxylic acids.