Stereochemistry of 45-dihydroxy-α-santonin and structure of a new santonin oxidation product
✍ Scribed by S.K. Paknikar; B.L. Malik; R.B. Bates; S. Caldera; T.V. Wijayaratne
- Publisher
- Elsevier Science
- Year
- 1994
- Tongue
- French
- Weight
- 162 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
📜 SIMILAR VOLUMES
A seven-step synthesis of a new intermediate (5a,fa,llfi)-3,6dioxogermacr-l-cn-l3,7-olide (10) is describcd starting from [ -)-~-santonin (I). The key stcp in thc transformation was photolytic skclctal rearrangement of (4qSP,601,11 F)-S-hydroxy-2oxoeudesman-l3.6-olide (9) to the W e compound, scnsit
The sfereoselectiviry for the asymmetric oxidation of enolafes to opfica//y active a-hydroxy ketones using (+)-( camphoryisulfonyi)oxaziridine is dependent on the enoiate substitution pattern, the solution structure of the enoiate and to a lesser extent the enoiate geometry Optically active a-hydrox
## Abstract ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 100 leading journals. To access a ChemInform Abstract of an article which was published elsewhere, please select a “Full Text” option. The original article is trackable v
3, [3'-Dihydroxy carboxylic acids and esters, readily prepared from dibromofluoroacetate and aldehydes, underwent deoxygenation, followed by elimination of aldehyde by the action of vanadium(V) trichloride oxide at the reflux temperature of chlorobenzene for 1 h to afford the Z isomers of oc-fluoro-