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Cis-1,2-Dihydrophthalic anhydride

The photocycloaddition of cis-1,2-dihydrophthalic anhydride to benzene, naphthalene, or anthracene affords in each case products arising from ( 4j + 4J reaction, a type of addition unknown for cyclohexa-1,3-diene itself. Energy transfer from benzene to the diene anhydride still provided the main reaction pathway, namely electrocyclic closure to give the cis-dihydroDewarbenzene anhydride. The naphthalene photo-adduct (393) on xanthone-photosensitized irradition gave the cage compound (394) similar reaction also occurs with the benzene photo-adduct. [Pg.352]

See other pages where Cis-1,2-Dihydrophthalic anhydride is mentioned: [Pg.58]    [Pg.57]    [Pg.58]    [Pg.57]   
See also in sourсe #XX -- [ Pg.50 , Pg.51 ]

See also in sourсe #XX -- [ Pg.50 , Pg.51 ]



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3.6- Dihydrophthalic anhydride

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