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Photooxygenation of tetramethylallene competing (2+2) cycloaddition and ene-reactions with singlet oxygen

โœ Scribed by Klaus Gollnick; Albert Schnatterer

Publisher
Elsevier Science
Year
1985
Tongue
French
Weight
256 KB
Volume
26
Category
Article
ISSN
0040-4039

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## Abstract The reaction of singlet oxygen with 2โ€phenylnorbornene (**1**) in aprotic solvents gives 3โ€formylcyclopentyl phenyl ketone (**2**) (10%) and uncharacterized polymer (90%). When methanol is used as solvent, __endo__โ€2โ€phenylโ€__exo__โ€2โ€methoxyโ€__exo__โ€3โ€hydroperoxynorbornane (**4**) and _