Summary
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1.
The configuration at the 17a position of two pairs of epimeric tertiary alcohols of the D-homosteroid series was determined by means of fragmentation mass Spectrometry.
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2.
The fragmentation with cleavage of ring D is characteristic for this class of compounds; the intensity of the peak corresponding to the fragment with the greater mass depends on the spatial configuration of the epimer molecule.
Literature cited
K. Biemann, J. Seibl, J. Amer Chem. Soc.81, 3149 (1959).
V. N. Leonov, É. V. Shapkina, S. N. Anachenko and I. V. Torgov, Izv. AN SSSR, Ser. Khim.1964, No. 2 (in press).
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Vul'fson, N.S., Torgov, I.V., Zaretskii, V.I. et al. Mass spectrometr1c determination of the configuration of epimeric tertiary alcohols in the d-homosteroid series. Russ Chem Bull 13, 169–171 (1964). https://doi.org/10.1007/BF01179594
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DOI: https://doi.org/10.1007/BF01179594