The natural abundance 13C n.m.r. spectra of several substituted (2,5-dihydro-5-oxo-3-furyl) steroids, having hydroxy-groups at various positions in the steroid nucleus, have been measured. The effects of changes in the structure of the steroid nucleus upon substituent chemical shifts are evaluated and discussed.
S. Lang, D. N. Lincoln and V. Wray, J. Chem. Soc., Perkin Trans. 2, 1975, 344 DOI: 10.1039/P29750000344
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