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Photodimers of cinnamic acid and related compounds. A stereochemical study by NMR (1974)

Montaudo, G. ; Caccamese, S. ; Librando, V.

Chichester : Wiley-Blackwell

Organic Magnetic Resonance 6 (1974), S. 534-536

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ISSN: 0030-4921

Keywords: Chemistry ; Analytical Chemistry and Spectroscopy

Source: Wiley InterScience Backfile Collection 1832-2000

Topics: Chemistry and Pharmacology

Notes: 1H NMR spectra of photodimers of cinnamic acid, chalcone and related compounds were analysed, and the spectral parameters and all the coupling constants were obtained. A clear differentiation among the head-to-head and head-to-tail stereoisomers can be obtained by considering the values of K, L, M and N parameters. The different types of hh and ht isomers can be immediately assigned by considering the relative values of the three-bond couplings. An authentic example of an A2B2 spin system is reported.

Additional Material: 2 Ill.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1002/mrc.1270061006

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