[Dimers from o-nitrobenzylidene acetoacetic esters].
The o-nitrobenzylidene acetoacetic esters 1 dimerize in the presence of BuLi or LDA to give the cyclohexenes 2 in poor yield. Two diastereomer of 2b were isolated, whose configuration is deduced by nmr-spectroscopic methods.
Görlitzer
K
K
Institut für Pharmazeutische Chemie der Technischen Universität Braunschweig, Germany. k.goerlitzer@tu-bs.de
Fabian
J
J
Trittmacher
J
J
D001597:Benzylidene Compounds / Q000138:chemical synthesis*; D007202:Indicators and Reagents; D009682:Magnetic Resonance Spectroscopy; D008968:Molecular Conformation; D008970:Molecular Weight; D009574:Nitro Compounds / Q000138:chemical synthesis*; D021241:Spectrometry, Mass, Electrospray Ionization; D013055:Spectrophotometry, Infrared; D013056:Spectrophotometry, Ultraviolet
D001597:Benzylidene Compounds; D007202:Indicators and Reagents; D009574:Nitro Compounds