R&urn&Des b-dicttones d&v&es du styrhne ont Ctk prkparbs par condensation de la p-vinylacktophbnone avec les esters adbquates: la p-vinylbenzoyltrifluoroac&one (l), la p-vinylbenzoylac&one (2) la p-vinylbenzoyla&toph&one (3) la l-(p-vinylphenyl)-S,Y~thyl~nedioxy)hexane-1,3-dione (4) et la l-( p-viny
✦ LIBER ✦
Nouveaux polymères styréniques à chaînes latérales céto-énol—II. Synthèse et polymérisation de β-β-tricétones monomères
✍ Scribed by A Mansri; P.F Casals; A Oulmidi; K Guemra; D Reyx
- Publisher
- Elsevier Science
- Year
- 1996
- Tongue
- English
- Weight
- 620 KB
- Volume
- 32
- Category
- Article
- ISSN
- 0014-3057
No coin nor oath required. For personal study only.
✦ Synopsis
and polymers (elemental analysis, IR, UV, 'H NMR and 13C NMR spectroscopies, steric exclusion chromatography) have made possible the evaluations of the various ketoenols distributions in monomers and polymers and of the Alfrey Price parameters.
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## Abstract __p__‐Vinylbenzyphonic acid was prepared by means of the Arbuzov reaction between triethyl phosphite and __p__‐chloromethylstyrene followed by silylation with bromotrimethylsilane and methanolysis. The product, which is readily cross‐linked, is stabilized as dicyclohexycylammonium salt.