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Journal of Structural Chemistry

2015 year, number 5


N. I. Medvedeva1, K. Yu. Suponitskii2, T. V. Lopatina1, A. N. Lobov1, A. I. Poptsov1, O. B. Kazakova1
1Institute of Organic Chemistry, Ufa Scientific Centre, Russian Academy of Sciences, Ufa, Russia
2Nesmeyanov Institute of Organoelement Compounds, Russian Academy of Sciences, Moscow, Russia
Keywords: ангидрид 3-оксо-урс-12-ен-28-овой кислоты, синтез, рентгеноструктурный анализ, 3-oxo-urs-12-en-28-oic acid anhydride, synthesis, single crystal X-ray diffraction analysis


The molecular structure of 3-oxo-urs-12-en-28-oic acid anhydride is determined. Crystals of C 60H 90O 5 compound (III) are monoclinic, space group С2, at 100 K a = 15.1308(13) Å, b = 23.5150(19) Å, c = 15.1275(12) Å, β = 108.276(2)°. Molecules in the crystal are located in a special position on axis 2.