Abstract
A general approach toE,E-diene hydroperoxides is described based upon photoisomerization of readily availableZ,E-diene monoperoxyketals. Protection of aZ,E-diene hydroperoxide as the 2-methoxypropyl peroxyketal is followed by iodine-mediated photoisomerization to produce a mixture enriched in theE,E isomer. After chromatographic purification, deprotection of the peroxyketal with mild acid furnishes theE,E-diene hydroperoxide.
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Abbreviations
- EA:
-
ethyl acetate
- 13-HPOD:
-
13(S)-hydroperoxy-9Z-11E-octadecadienoic acid
- 15(S)-HPETE:
-
15(S)-hydroperoxy-5Z,8Z,11Z,13E-eicosatetraenoic acid
- 5(S)-HPETE:
-
5(S)-hydroperoxy-6E,8Z,11Z,14Z-eicosatetraenoic acid
- NP-HPLC:
-
normal-phase high-performance liquid chromatography
- NMR:
-
nuclear magnetic resonance
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Dussault, P.H., Lee, I.Q. & Eary, C.T. Synthesis ofE,E-diene hydroperoxides via photoisomerization of protected hydroperoxides. Lipids 30, 591–594 (1995). https://doi.org/10.1007/BF02536994
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DOI: https://doi.org/10.1007/BF02536994