Tetrahedron p. 12443 - 12456 (1994)
Update date:2022-08-04
Topics: Functionalized Cyclopropanation Diastereoselective Asymmetric syntheses
Alcaraz
Alcaraz, Carmen
Fernandez
Fernaendez, Ma. Dolores
De Frutos
De Frutos, Ma. Pilar
Marco
Marco, Josee L.
Bernabe
Bernabe, Manuel
Foces-Foces
Foces-Foces, Concepcion
Cano
Cano, Felix H.
Monochiral α-benzamidocinnamic esters of N-methylephedrine or mandelic derivatives and benzylidene or alkylidene diketopiperazines, all obtained from oxazolones, react with diazomethane to give moderate to high diastereomeric excesses (d.e.) of pyrazoline
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