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Stereoselective epoxidation of 5(10),9(11)-estradienes

✍ Scribed by Ralph Rohde; Günter Neef; Gerhard Sauer; Rudolf Wiechert

Publisher
Elsevier Science
Year
1985
Tongue
French
Weight
194 KB
Volume
26
Category
Article
ISSN
0040-4039

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📜 SIMILAR VOLUMES

Stereoselective isomerization of 10-aryl
Stereoselective isomerization of 10-arylsulfenate-11,12-dehydroretinoids to 9-cis-retinoids
✍ Angel R. de Lera; Alejandro Castro; Alicia Torrado; Susana López 📂 Article 📅 1998 🏛 Elsevier Science 🌐 French ⚖ 244 KB

The C7-C12 triene fragment of 9-cis-retinoids 8 was stereoselectively generated by treatment of propargylic alcohol 3 with phenylsulfenyl chloride/triethylamine at -78 °C, followed by stereospecific reduction of the resulting vinylsulfoxide (t-BuLi, MeLi, MeOH, -78 °C). Thus, 9-cis-retinoic acid 2,