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Microbial transformation of β-sitosterol and stigmasterol into 26-oxygenated derivatives

✍ Scribed by Gábor Ambrus; Éva Ilkőy; Antónia Jekkel; Gyula Horváth; Zsolt Böcskei


Book ID
116066021
Publisher
Elsevier Science
Year
1995
Tongue
English
Weight
570 KB
Volume
60
Category
Article
ISSN
0039-128X

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Some reactions with ω-bromoacetophenone:
✍ Fathy M. Abdelrazek; Zaghloul E. Kandeel; Abdellatif M. Salah 📂 Article 📅 1995 🏛 John Wiley and Sons 🌐 English ⚖ 280 KB

o-Bromoacetophenone reacts with the sodium salt of ethyl cyanoacetate to afford a-cyano-P-phenyl-A".Pbutenolide. This butenolide undergoes azo coupling with diazotized aromatic amines (ArNHJ to afford the hydrazo derivatives. These hydrazo derivatives (Ar= Ph, were transformed into the corresponding