Nouvelle synthese du cycle a du 1s-hydroxycholecalciferol a partir de l'acide quinique
✍ Scribed by D Desmaele; S Tanier
- Publisher
- Elsevier Science
- Year
- 1985
- Tongue
- French
- Weight
- 196 KB
- Volume
- 26
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
Enrmtiomerica'lly pure LY-hydroxy-aldehydes, key intermediates for the synthesis \_\_-----of arachidonic acid metabolites, are prepared from D-mannitol by nucZeophitic opening of
Ring opening of aZzphatzc and aromatzc azzrzdznes by addztzon of Olah's reagent has been studzed. Yields and regioselectzvity are zmproved when using the correepondzng N-actzvated azirzdznes and less acidic fluorznating reagents obtained by addition of trzethytamzne to OZah'e reagent.
La synthese partielle de la seychellogbnine 1 (1) $ partir du cycloart'nol 2a ou de la cycloprotobuxine F 2b avait et6 geeT2,3),1 zcedemment envisaalcools 2c epimeres en 20 -a reaction au '$T'aacf;;te deplomb-iode(" effectuee sur les pre ares a partlr du cycloartenol, n'ayant pas conduit aux lactone
## Abstract On a transformé le sclaréol en ambréinolide.