1944
DOI: 10.1002/hlca.19440270162
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Steroide und Sexualhormone. (93. Mitteilung). Über die Hydrierung der beiden Oxyde von trans‐Dehydroandrosteron‐acetat

Abstract: Ktteilungl)).Beim Versuch, das Oxyd des trans-Dehydro-androsteron-acetats voni Smp. 222-223O durch Hydrierung mh Platin in Eisessig in das Mono-acetat des Androstendiol-oxyds uberzufaren, machten wir die Beobachtung, dass die Hydrierung erst nach Aufnahme von 2 No1 Wasserstoff zum Stillstand kam. A n Stelle des gesuchten Oxydes entstand in guter Ausbeute ein um zwei Wasserstoffatome reicheres Produkt, dessen Konstitution als die eines 3p-Acetoxy-5, l'i-dioxyandrostans sichergestellt werden konnte2). Diese Beob… Show more

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Cited by 38 publications
(2 citation statements)
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“…The infrared spectrum of the reaction product revealed that hydrolysis in position 3 had occurred. The usual acct>latioil with acetic anhydride in pyridine a t room temperature affcrded 20.6 g of semicrystalline acetoxy kctal IIa, which gave, upon crqstallization from ether-methanol, 18.01 g of pure ketal IIa, m.p. 156-15B0, and a second batch of 600 mg, melting between 152 and 154" (yield of pure product 83yG).…”
Section: A~-3~-acetoxy-bo-etl~ylened~o~ypi Egnene ( I I a ) (14)mentioning
confidence: 99%
“…The infrared spectrum of the reaction product revealed that hydrolysis in position 3 had occurred. The usual acct>latioil with acetic anhydride in pyridine a t room temperature affcrded 20.6 g of semicrystalline acetoxy kctal IIa, which gave, upon crqstallization from ether-methanol, 18.01 g of pure ketal IIa, m.p. 156-15B0, and a second batch of 600 mg, melting between 152 and 154" (yield of pure product 83yG).…”
Section: A~-3~-acetoxy-bo-etl~ylened~o~ypi Egnene ( I I a ) (14)mentioning
confidence: 99%
“…0 the previously observed inhibition of prostaglandin-ind u c e d contractions of the guinea pig ileum is m e d i a t e d t h r o u g h a m e c h a n i s m that does not involve prostaglandin receptors or that the compound binds prostaglandin receptors in an irreversible manner. S t u d i e s with these and related compounds on prostaglandin receptor protein preparations are now in progress.Experimental Section** Ethyl 3,17~-Dihydroxy-5a-androst-2-ene-2-carboxylate(13).…”
mentioning
confidence: 99%