**Synthesis of a homologous steroidal 17β‐pyrrolinone.** We describe the synthesis of 4′‐[(3β‐Hydroxy‐androst‐5‐en‐17β‐yl)methyl]‐3′‐pyrrolin‐2′‐one (**15**) starting from 3β‐acetoxy‐23‐diazo‐21,24‐dinorchol‐6‐en‐22‐one (**1**).
Synthese eines 17β-homologen 3β-Hydroxy-card-5,22-dienolids Partialsynthetische Versuche in der Reihe der Herzgifte, 8. Mitteilung
✍ Scribed by Theodor W. Güntert; Horst H. A. Linde; Mohamed S. Ragab; Sigrid Spengel
- Book ID
- 102857789
- Publisher
- John Wiley and Sons
- Year
- 1976
- Tongue
- German
- Weight
- 1009 KB
- Volume
- 59
- Category
- Article
- ISSN
- 0018-019X
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✦ Synopsis
Synthesis of a homologous 3β‐hydroxycard‐5,22‐dienolide.
We describe the synthesis of 4′‐[(3β‐hydroxy‐androst‐5‐en‐17β‐yl)methyl]‐2′(5′)‐furanone (22) starting from 3β‐acetoxy‐androst‐5‐ene‐17β‐carboxylic acid (5).
📜 SIMILAR VOLUMES
**Synthesis of a steroidal 17 β‐pyrrolinone** We describe the synthesis of 4′‐(3 β‐hydroxy‐androst‐5‐ene‐17 β‐yl)‐3′‐pyrrolin‐2′‐one (6) starting from 3β‐acetoxy‐21‐hydroxy‐pregn‐5‐ene‐20‐one (1).
Enzymatische Dephosphorylierung von I Z I zu Z. Eine Losung von 10 mg Dinatriumsalz von I11 in 1 ml W wurde rnit 8 mg (( Saure Phosphatase gereinigtr (C. F . Boehringer & Slihne, Mannheini) versetzt und 80 Std. bei 37" stehengelassen. Hierauf wurde rnit Chf extrahiert, welches nach dam Waschen mit W
**Synthesis of 4‐[3β, 14‐Dihydroxy‐5β, 14β‐androstan‐17β‐yl]‐3‐pyrrolin‐2‐one (hothesimogenin)** We describe the synthesis of 4‐[3β, 14‐Dihydroxy‐5β, 14β‐androstan‐17β‐yl]‐3‐pyrrolin‐2‐one (24‐aza‐24‐desoxa‐digitoxigenin) **(7)**, starting from 3‐__O__‐acetyl‐digitoxigenin **(1)**.
**Synthesis of 3β‐acetoxy‐24‐aza‐24‐desoxa‐xymalogenin** Starting from the pregnenolone‐derivative **1** we report the synthesis of the possibly cardiac‐active compound 24‐aza‐24‐desoxa‐xysmalogenin **15**.