Tetrahedron Letters p. 8055 - 8056 (1992)
Update date:2022-08-05
Topics:
Westermann, Juergen
Harre, Michael
Nickisch, Klaus
Wittig reaction of ketones 3 with 4-carboxybutyltriphenyl-phosphonium bromide generates the exocyclic 5,6 double bond of iloprost (1) in E/Z ratios between 35:65 and 90:10 depending on substituents and reaction conditions.
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