A convenient synthesis of fecapentaene-12 by the Horner-Wittig reaction
โ Scribed by P. P. de Wit; T. A. M. van Schaik; A. van der Gen
- Publisher
- Elsevier Science
- Year
- 2010
- Tongue
- English
- Weight
- 178 KB
- Volume
- 103
- Category
- Article
- ISSN
- 0165-0513
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๐ SIMILAR VOLUMES
Horner-Wittig reaction aldehydes can be converted into their homologous ensmines by with ?&morpholinomethyl diphenylphosphine oxide (2. Among the various methods that are used for the homologation of csrbonyl compounds, Wittig and Horner-Wittlg reactions with a-heterosubstituted ylides occupy a pro
## Abstract The allโ(__E__)โconfigured tetrastilbenylmethanes **3a**โ**e** and **5a**,**b** can be obtained by fourfold WittigโHorner reactions. The tetrahedral arrangement of these compounds guarantees independent stilbenoid chromophores with a high chromophore density. Apart from (__E__)/(__Z__)
The celebrated Wittig reaction constitutes the most general and flexible approach towards the synthesis of all types of substituted olefins. Furthermore,by judicious choice of reaction conditions, the