Kiuru PS, Wähälä K. Microwave-assisted synthesis of deuterium labeled estrogen fatty acid esters.
Steroids 2006;
71:54-60. [PMID:
16198386 DOI:
10.1016/j.steroids.2005.08.001]
[Citation(s) in RCA: 14] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2005] [Revised: 08/02/2005] [Accepted: 08/09/2005] [Indexed: 11/23/2022]
Abstract
Deuterated analogs of estrogen fatty acid esters are needed as internal standards for isotope dilution GC/MS analyses. We have developed a rapid and efficient synthesis for 2,4,16,16-D4-estrone palmitate, stearate, oleate, linoleate, and linolenate and the corresponding 2,4,16,16,17alpha-D5-estradiol fatty acid 17-mono and 3,17-diesters using analogous fatty acid chlorides or fatty acid anhydrides and 4-(dimethylamino)pyridine under microwave irradiation. Chemoselective hydrolysis of fatty acid diesters was carried out by KOH in t-BuOH.
Collapse