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Updated: Jun 1, 2026
Cellular Lipid Extraction for Targeted Stable Isotope Dilution Liquid Chromatography-Mass Spectrometry Analysis
Published on: November 17, 2011
3-Iodo-8β,9α,14α-estra-1,3,5(10)-trien-17-one
Kamal Aziz Ketuly1, A Hamid A Hadi, Seik Weng Ng
1Department of Chemistry, University of Malaya, 50603 Kuala Lumpur, Malaysia.
Abstract:
In the title compound, C(18)H(21)IO, the cyclo-hexane ring adopts a chair conformation, whereas the cyclo-pentane ring and the ten-membered tetra-line portions each adopt an envelope conformation. For the five-membered ring, the methine C atom deviates by 0.638 (4) Å (r.m.s. of the four other atoms is 0.005 Å) and for the ten-membered ring, the methine C atom constituting the flap deviates by 0.671 (3) Å (r.m.s. of the other nine atoms is 0.066 Å).
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