Stilbene may be synthesised with Z-selectivity from (~-bromobenzyl)benzyldiphenylphosphonium bromide by the action of amine bases. A series of stilbeues was synthesised by the action of N-bromosuecinimide and 2,2,6,6-tetramethyipiperidine directly upon dibenzyldiphenylphosphonium salts. The reaction
✦ LIBER ✦
The synthesis of trans -carbovir via the ramberg-bäcklund reaction
✍ Scribed by Arne Grumann; Hugh Marley; Richard J.K. Taylor
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- French
- Weight
- 143 KB
- Volume
- 36
- Category
- Article
- ISSN
- 0040-4039
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## Abstract The stereochemical aspects of the intramolecular __Ramberg__‐__Bäcklund__ reaction, __i.e.__ the 1,3‐elimination of hydrogen halide followed by sulfur dioxide extrusion, have been studied on the α‐bromosulfones of the 1‐thiadecalinThroughout this paper ‘1‐thiadecalin’ will be used in pl