Matrix‐Photolyse der Azoverbindung (I) ergibt das Diradikal (II) im Triplett‐Grundzustand, das zum Bicyclopentan (III) zerfällt (Bildungsbarriere 2.3 +/‐ 0.2 kcal/mol nach der Kinetik).
The complex resins derived from furfuryl‐alcohol polymerization are a result of at least four competing reactions. By converting the alcohol to its acetate ester, however, three of these reactions can be eliminated. The simpler polymer derived from furfuryl acetate has been characterized spectroscopically, and an interesting chromophoric side reaction of the polymerization has been identified. The remarkable ability of the polymer to crosslink at room temperature upon precipitation from solution is also of interest.
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