Abstract
Intramolecular [3+2]-cycloaddition was studied of munchnones generated at heating syn- and anti-atropisomers of N-acyl-N-[6-methyl-2-(cyclopent-2-en-1-yl)phenyl]glycines with acetic anhydride. By spectral and X-ray diffraction analysis syn-isomers of acids and tetrahydro-1,4,7-methanetriyl[1,3]oxazolo[3,4-a][1]- bensazocin-3(3aH)-ones were identified.
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Original Russian Text © R.R. Gataullin, Z.A. Ibatullina, E.S. Meshcheryakova, A.A. Fatykhov, L.M. Khalilov, 2017, published in Zhurnal Organicheskoi Khimii, 2017, Vol. 53, No. 5, pp. 688–698.
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Gataullin, R.R., Ibatullina, Z.A., Meshcheryakova, E.S. et al. Atropisomeric N-acyl-N-(cyclopentenylphenyl)glycines in the synthesis of oxazolo[3,4-a]benzoxazocinones. Russ J Org Chem 53, 697–708 (2017). https://doi.org/10.1134/S1070428017050098
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DOI: https://doi.org/10.1134/S1070428017050098