## Abstract **Summary:** The photoinitiated cationic polymerization of 1‐cyclopropyl‐l‐phenyl‐ethylene, 1‐cyclopropyl‐l‐(__p__‐methoxyphenyl)ethylene and 1‐cyclopropyl‐l‐(__p__‐fluorophenyl)ethylene at ambient temperatures in bulk and in solution was investigated using (__η__^5^‐2,4‐cyclopentadiene
Polymerization of vinylcyclopropanes. III. Cationic polymerization of stereoisomers of 1-halo-2-vinylcyclopropanes
✍ Scribed by Takahashi, Takako
- Publisher
- Wiley (John Wiley & Sons)
- Year
- 1968
- Tongue
- English
- Weight
- 272 KB
- Volume
- 6
- Category
- Article
- ISSN
- 0449-296X
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Vinylcyclopropanes are important synthetic intermediates in organic chemistry and are mostly synthesized by the simultaneous introduction of the cyclopropane and the vinyl unit, e. g., by the reaction of trans-1,4-dihalobutenes with b-dicarbonyl compounds or the addition of carbenes to dienes. The p
## Abstract New 1,1‐disubstituted 2‐vinylcyclopropanes were synthesized by reaction of the corresponding malonyl diesters with __trans__‐1,4‐dibromo‐2‐butene and of sodium hydride. The structure of the 2‐vinylcyclopropanes could be confirmed by elemental analysis, IR, ^1^H NMR and ^13^C NMR spectro
Radical emulsion polymerizations of vinylcyclopropanes, 1,1-bis(ethoxycarbonyl)-2-vinylcyclopropane (ECVCP) and 1,1-dichloro-2-vinylcyclopropane (CVCP) were examined. ECVCP underwent soap-free and soap-in emulsion polymerizations satisfactorily to afford the ring-opened polymer in good yields. Polym