| Autor: |
M. Bedoya-Zurita, Charles Stone, Thomas H. Keller, Wolfgang Oppolzer |
| Rok vydání: |
1989 |
| Předmět: |
|
| Zdroj: |
Tetrahedron Letters, Vol. 30, No 43 (1989) pp. 5883-5886 |
| ISSN: |
0040-4039 |
| DOI: |
10.1016/s0040-4039(01)93496-3 |
| Popis: |
Treatment of 1-iodo{acetoxy}-2,7-octadienes 1 and 1-iodo{acetoxy}-2-en-7-ynes 12 with Ni(COD)₂/dppb (THF/MeOH) or Pd(dba)₂/PPh₃ (AcOH, then CH₂N₂) under carbon monoxide furnished chemo- and stereoselectively either bicyclic ketoesters 7 (from 1) and 15 (from 12) or trans-substituted monocyclic products 5 (from 1) and 14 (from 12), but all-cis-hexahydroindole 11(from acetoxycyclohexene 9). Cyclizations are selectively catalyzed: 1→5 and 9→11 (Pd(0)); 1→7 and 12→15 (Ni(0)). |
| Databáze: |
OpenAIRE |
| Externí odkaz: |
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