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Bonellin dimethylester

The total synthesis of bonellin dimethylester (85) could be achieved by a very similar approach as for (77) including the photochemical cyclization 53c, 56). The approach to bonellin dimethylester (85) (57) developed by Montforts et al. makes use of four monopyrrolic building blocks (78), (79), (81), and (83) which were assembled together by methods from porphyrin, bile pigment, and corrin chemistry to give the macrotetracycle. [Pg.21]

Reaction with f-butyl alkoxide in the presence of zinc (II), which acts as a template and can be readily removed with acid from the cyclized ligand system that is formed, finally results in the formation of bonellin dimethylester (85) from the linear tetrapyrrole (84). [Pg.22]

See other pages where Bonellin dimethylester is mentioned: [Pg.32]    [Pg.13]    [Pg.14]    [Pg.15]    [Pg.21]    [Pg.46]    [Pg.1907]    [Pg.32]    [Pg.32]    [Pg.13]    [Pg.14]    [Pg.15]    [Pg.21]    [Pg.46]    [Pg.1907]    [Pg.32]   
See also in sourсe #XX -- [ Pg.21 , Pg.22 ]



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