
Tetrahedron Letters p. 3101 - 3104 (1989)
Update date:2022-09-26
Topics:
a Pilar de
Marco, Jose L.
Fernandez-Alvarez, Eldiberto
Bernabe, Manuel
Homochiral benzylidenediketopiperazine and α-benzoylaminocinnamic esters react with diazomethane giving high to good diastereomeric ratios of spiropyrazoline derivatives which, on photolysis and acid hydrolysis of the resulting spirocyclopropyl compounds
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