Photolysis of 3,3′-diamino-2,2′-bi-1,4-naphthoquinonyl

Martins, Charles Ferreira; Viljoen, A. M.; Strydom, S. J.; Fourie, L.; Wessels, Philippus L.

doi:10.1016/s0040-4020(01)96178-2

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“…The arrows on Figure 1 show the main correlations of the HMBC. [14]. Also, the absorption of amino groups at 3424 and 3308 cm -1 is observed, they can be attributed to asymmetric and symmetric oscillations of the amidine fragment.…”

Section: Introductionmentioning

confidence: 81%

Reaction of 1-aminoisoindole with 1,4-naphthoquinone and study of the product by spectroscopic methods

et al. 2018

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In our previous researches we have shown, that 1-aminoisoindole, which exists predominantly in isoindoline tautomeric form, can undergo [4+2]-cycloaddition reactions with maleimides according to the Curtin-Hammet principle. We continued to study this reaction, but with another dienophile – 1,4-naphtoquinone. In this case, the reaction does not stop when the bis-Michael adduct is obtained, but continues with the formation of a more complex compound, the structure of which we have studied by two-dimensional NMR spectroscopic methods.

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Section: Introductionmentioning

confidence: 81%