Chemoselective and stereoselective addit
✍
R.Karl Dieter; Jeffrey R. Fishpaugh; Louis A. Silks
📂
Article
📅
1982
🏛
Elsevier Science
🌐
French
⚖ 223 KB
The chemoselective and stereoselective addition of organocuprates to cyclic a-oxoketene dithioacetals affords predominately the E vinylogous thioesters. An acyclic a-oxoketene dithioacetal affords the 2 vinylogous thioester stereoselectively. The observed selectivities are dependent upon substrate