Verfahren zur Herstellung von neuen D-Homo-imid-Derivaten mit Sterangerüst

D-homo azasteroids of formula (I) and (II):- (where R is oxo, ketal, H, OH, an ester, or an ether residue, and R2 is 1.alkoxy) are prepd. (a) by acid catalysed (H2SO4/AcOH) rearrangement of 17-oxo-16-oximinosteroids, and (b) by base catalysed cyclisation of 16, 17-seco-Dnor steroids substd. at 15 an...

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Bibliographic Details
Main Authors MARIA BOR, ZOLTAN TUBA
Format Patent
LanguageGerman
Published 25.04.1974
Edition1
Subjects
CHEMISTRY
HETEROCYCLIC COMPOUNDS
METALLURGY
ORGANIC CHEMISTRY
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Summary:D-homo azasteroids of formula (I) and (II):- (where R is oxo, ketal, H, OH, an ester, or an ether residue, and R2 is 1.alkoxy) are prepd. (a) by acid catalysed (H2SO4/AcOH) rearrangement of 17-oxo-16-oximinosteroids, and (b) by base catalysed cyclisation of 16, 17-seco-Dnor steroids substd. at 15 and 17 by carbamoyl and carbalkoxy residues.
Bibliography:Application Number: AT502271