The rearrangement reaction of an organocobalt polymer with cobaltacyclopentadiene moieties in the main chain (1) was carried out to yield a new polymer bearing (h 5 -cyclopentadienyl) (h 4cyclobutadiene)cobalt moieties in the main chain (2). For instance, a polymer (2) containing pure h 4 -cyclobuta
Reactions of polymers having β-alkoxyenoate moieties in the main chain
✍ Scribed by Hirofumi Kuroda; Ikuyoshi Tomita; Takeshi Endo
- Publisher
- John Wiley and Sons
- Year
- 1997
- Tongue
- English
- Weight
- 173 KB
- Volume
- 35
- Category
- Article
- ISSN
- 0887-624X
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✦ Synopsis
The hydrolysis and the substitution reaction of the main chain of the polymer having b-alkoxyenoate moieties in the main chain are described. The hydrolysis of the polymer prepared from 2,2-dimetylpropylene-1,3-bis(propiolate) and p-xylene glycol under acidic conditions proceeded smoothly to obtain diols in quantitative yield by the cleavage of both ester and vinyl ether moieties. On the other hand, carboxylic acids were obtained by the hydrolysis of the polymer under alkaline conditions. The aminolysis with pyrrolidine gave the b-aminoenoate by the selective fission of vinyl ether moieties in quantitative yield. Furthermore, a polymer having b-aminoenoate moieties in the main chain was obtained by the reaction with piperazine via the displacement of the main chain.
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