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Benzo tropone 2-substituted

As mentioned in Section III,A, benzo[c]furan (4) participates in thermal [jt4 -I- TCgJ-cycloadditions. With tropone and substituted tropones, compounds of type 206 (exo R = H, Cl, OMe) have been obtained, and 6,6-dimethylfulvene yielded 207 (endo). The extended Hiickel method and... [Pg.191]

Also noted are further details of the conversion of barbaralone into (249) via dibromides of triasteranone (253X photosensitized addition of oxygen to (254) to give (255) after reductive work-up, the photoaddition of benzo-phenone to barbaralone to give (256), and the thermal addition of substituted acetylenes to tropone to give, for example, (257). Products of bromination of (258) are described. ... [Pg.384]

See other pages where Benzo tropone 2-substituted is mentioned: [Pg.258]    [Pg.110]    [Pg.107]    [Pg.634]    [Pg.634]    [Pg.125]    [Pg.728]    [Pg.467]   


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Benzo tropone

Tropone

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