Chemistry Letters · 1974 · 24 citations · 4 references
Chemical EngineeringEngineeringHeterocyclicPhotochemistryPhotoredox ProcessCyclic DienesSynthetic PhotochemistryPhotocatalysisOrganic ChemistryAbstract Cis-2-cyclooctene-1,4-dione 1ChemistryHeterocycle Chemistry
Abstract cis-2-Cyclooctene-1,4-dione 1 is prepared starting from 1,3-cyclooctadiene. Photoirradiation of 1 in ether gives a [π2s+2a] dimer, while irradiations in the presence of cyclic dienes give trans- [2+4]cycloadducts. The intermediacy of trans-2-cyclooctene-1,4-dione is suggested.
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