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The Second Total Synthesis of Diazonamide

An improved procedure for the rapid synthesis of aryl dihydrobenzofurans with a boron tribromide-mediated cyclization was discussed and is shown below <03HCA343>. In the second total synthesis of diazonamide A, the late key step accounting for the dihydrobenzofuran formation was a DIBAL-H mediated lactam reduction and cyclization <03AG(E)1753>. [Pg.186]

Scheme 17. Final steps and completion of the second total synthesis of diazonamide A (1). Scheme 17. Final steps and completion of the second total synthesis of diazonamide A (1).
See other pages where The Second Total Synthesis of Diazonamide is mentioned: [Pg.477]    [Pg.572]    [Pg.153]    [Pg.477]    [Pg.572]    [Pg.153]    [Pg.573]    [Pg.585]    [Pg.552]    [Pg.1721]    [Pg.344]   


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Diazonamide

The Second

Total Synthesis of

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