SCHEDULED MAINTENANCE
The mass spectra of C-4-alkylated cholest-5-en-3β-hydroxysterols are characterized by an ion (m/e 331) resulting from the unusual intramolecular transfer of the 3β-hydroxy-group to the charge-retaining fragment with concomitant loss of ring A.
F. F. Knapp and G. J. Schroepfer, J. Chem. Soc., Chem. Commun., 1974, 537b DOI: 10.1039/C3974000537B
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