NMR data have been used to assign the stereochemistry to some new (E)- and (Z)-α-phenyl-β-[2-(N-methyl)nitropyrrolyl]acrylic acids. The (E)-molecules are biased in the s-cis conformation showing NMR spectroscopic features strictly depending on the conformation. The analysis of the NMR spectra reveals that the (Z)-isomers exist also in the s-cis conformation. © 1978.
NMR stereospecific long-range coupling and preferred conformations in some (E)- and (Z)-α-phenyl-β-[2-(N-methyl)nitropyrrolyl] acrylic acids
Bottino, Francesco A;SCIOTTO, Domenico
1978-01-01
Abstract
NMR data have been used to assign the stereochemistry to some new (E)- and (Z)-α-phenyl-β-[2-(N-methyl)nitropyrrolyl]acrylic acids. The (E)-molecules are biased in the s-cis conformation showing NMR spectroscopic features strictly depending on the conformation. The analysis of the NMR spectra reveals that the (Z)-isomers exist also in the s-cis conformation. © 1978.File in questo prodotto:
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