I. Kostova et al., LINKED SCAN MEASUREMENTS FOR THE LOCALIZATION OF SIDE-CHAIN DOUBLE-BONDS IN 9,19-CYCLOPROPANO STEROIDS, Journal of mass spectrometry., 32(12), 1997, pp. 1317-1319
9,19-Cyclopropano steroids do not show the typical fragmentation react
ions of unsaturated C-17 side-chains in their EI spectra. They can, ho
wever, be observed in Linked ran measurements of the main fragment ari
sing from ring B cleavage. (C) 1997 John Wiley & Sons, Ltd.