A Convenient Divergent Approach to the Alkaloids Isaindigotone and Luotonin A
Pedro MolinaDepartamento de Química Orgánica, Facultad de Química, Universidad de Murcia, Campus de Espinardo, E-30071 Murcia, Spain; Fax + 34 (9 68)36 41 49; E-mail: [email protected]Alberto TárragaFax + 34 (9 68)36 41 49Antonia Gonzalez‐TejeroDepartamento de Química Orgánica, Facultad de Química, Universidad de Murcia, Campus de Espinardo, E-30071 Murcia, Spain
2000en
ABI
Аннотация
Deoxyvasicinone has been used as the key intermediate to prepare the alkaloids isaindigotone and luotonin A. This intermediate is directly converted into isaindigotone by condensation with 4-acetoxy-3,5-dimethoxybenzaldehyde; alternatively oxidation with SeO2 afforded the pyrrolo[2,1-b]quinazoline-3,9-dione, a putative precursor of the luotonin A.
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