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Mass spectra of some steroidal diols

S. Grant Wyllie

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Abstract

Abstract The mass spectral fragmentations of a number of steroidal 3,5‐ and 4,5‐diols and some derivatives have been examined using high resolution mass spectrometry and deuterium labelling. Although the 3,5‐ and 4,5‐diols have very similar mass spectra those of the derived ketols are quite characteristic. A pathway for the formation of the important m/e 332 ion in the mass spectrum of cholestan‐4β,5α‐diol has been postulated.

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What this paper is about

Abstract The mass spectral fragmentations of a number of steroidal 3,5‐ and 4,5‐diols and some derivatives have been examined using high resolution mass spectrometry and deuterium labelling. Although the 3,5‐ and 4,5‐diols have very similar mass spectra those of the derived ketols are quite characteristic. A pathway for the formation of the important m/e 332 ion in the mass spectrum of cholestan‐4β,5α‐diol has been postulated.

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Available abstract

Abstract The mass spectral fragmentations of a number of steroidal 3,5‐ and 4,5‐diols and some derivatives have been examined using high resolution mass spectrometry and deuterium labelling. Although the 3,5‐ and 4,5‐diols have very similar mass spectra those of the derived ketols are quite characteristic. A pathway for the formation of the important m/e 332 ion in the mass spectrum of cholestan‐4β,5α‐diol has been postulated.

Key concepts: Mass spectrum, Chemistry, Labelling, Diol, Deuterium, Mass, Mass spectrometry, Spectral line

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