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5-Ene-l,3-dioxane-4,6-diones

Testosterone enol diacetate reacts with perchloryl fluoride in aqueous dioxane to give 6a- and 6/i-fluorotestostcrone 17-acetatc (18 X = a-F, /i-F) as the major products along with 6a- and 6/3-hydroxytestosterone 17-acetate (18 X = a-OH, /j-OH) and also 17/i-hydroxyandrostane-3,6-dione 17-acctate.31 The enamine derivative 3-(pyrrolidin-l-yl)estra-3,5-dien-17/i-ol can be fluorinated in methanol at —25 to — 35 C to provide 4/J-fluoro-3a-methoxycstr-5-ene-3/f 17/ -diol (19),32 while various 2-fluoro-3-oxoestranc derivatives 20 are formed by fluorination of a number of 3-methoxyestrane derivatives in tetrahydrofuran/water mixture with perchloryl fluoride.33... [Pg.268]

See other pages where 5-Ene-l,3-dioxane-4,6-diones is mentioned: [Pg.260]    [Pg.267]    [Pg.279]    [Pg.293]    [Pg.260]    [Pg.267]    [Pg.279]    [Pg.293]    [Pg.247]    [Pg.1563]    [Pg.315]    [Pg.405]    [Pg.37]   


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1.3- Dioxane-4,6-diones

2- -l,3-dioxane

2-Ene-l,4-diones

Ene diones

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