Magnetic Resonance in Chemistry p. 235 - 239 (1992)
Update date:2022-09-26
Topics:
Toth, Gabor
Levai, Albert
Duddeck, Helmut
1,3-Dipolar cycloaddition of (E)- and (Z)-arylidene-1-tetralone derivatives affords trans- and cis-spiro-1-pyrazolines, respectively, regio- and stereo-selectively in a one-step reaction.These rearrange into spiro-2-pyrazolines on proton catalysis.The rel
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