Cyanoethylation of cyclopentadienide anion and synthesis ofβ-cyanoethylferrocene
✍ Scribed by M. I. Rybinskaya; G. B. Shul'pin; L. M. Korneva; A. A. Pogrebnyak
- Book ID
- 112422821
- Publisher
- Springer
- Year
- 1972
- Tongue
- English
- Weight
- 422 KB
- Volume
- 21
- Category
- Article
- ISSN
- 1573-9171
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Poly(vinyl alcohol) (PVA) was cyanoethylated by reaction with acrylonitrile in the presence of sodium hydroxide and quaternary ammonium halide. Quaternary ammonium halide, acting as a phase transfer catalyst, increases the degree of substitution (DS) of PVA. The DS also increased with increasing acr
Although it Is well known 1) that the condensation of 1-dialkylamino-penta-1.3-dienylidene-5dialkylammonium salts (pentacyanines &X=H) with sodium-cyclopentadienide leads to 6-(4-dialkylamino-1.3-butadienyl)fulvenes (&X=H), we expected that the use of substituted pentacyanines with suitable leaving