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
โฆ LIBER โฆ
The synthesis of polyene isoprenoids by the horner variant of the wittig reaction
โ Scribed by John M. Clough; Gerald Pattenden
- Publisher
- Elsevier Science
- Year
- 1978
- Tongue
- French
- Weight
- 219 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0040-4039
No coin nor oath required. For personal study only.
โฆ Synopsis
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
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## 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__)
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